教你如何写Presentation主体内容
Presentation的主体内容是整个presentation的主要部分，它包括了presentation的中心思想，主要内容，你的解读，你的论据和对你准备好的材料的介绍。在开场白过后，真正决定presentation价值的部分就是主体内容。因此我们整理了一下再主体内容的构成和需要注意的事项，并举出示例来展示如何合适的表达出你的含义。
presentation主题内容结构
1.Announcing the Beginning of the Speech Text表示presentation主体内容开始的语句
在一个精彩的开场白过后，presentation的主题内容要马上跟上，让观众的注意力持续下去，产生更好的演讲效果和共鸣。在这些语句之后，主题内容正式开始介绍。
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To begin with, I would like to talk about a principle.
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I think it would be best to start out by looking at some pictures.
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The first thing I would like to talk about is the definition of the terms which I’ll use in my presentation.
2.Shifting to the Next Main Point要点之间的过渡
当你有两个以上的要点介绍时，一个好的过渡会使观众更加容易的跟上你的思路。
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Well, let's move on to the next point.
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We will now come to the second problem.
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Turning to the next question, I' 11 talk about the stages of the procedure.
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As the second topic, I shall stop here. Now let' s turn our attention to the third topic.
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So much for the methodology of our experiment. I would now like to shift to the discussion of the results.
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Now, let's move away from the first part and switch over to the next part of my presentation.
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That's all for the introduction and now we can go on to the literature review.
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Next, I would like to turn to a more difficult problem.
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The next point I'd like to talk about is the feasibility of this project.
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That brings me to my second point.
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I am glad that we can now leave this rather boring subject of mathematic deduction and go into a more attractive one, that is the application of the formula.
3.Resuming the Topic重申中心思想
在介绍完一些观点后，趁热打铁提出你的中心思想，并进行详细介绍。这是presentation的核心内容，一定要用最简练合适的词语来表达出中心思想，最好能有一经说出就让人印象深刻的语句。下面是提示观众你要提出中心思想的语句。
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Let' s come back to what I said in the first part of my speech.
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Getting back to the subject of the problem of theoretical considerations we can find that...
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I want to return to the first part of my presentation.
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Now, to get back to the effect of temperature, you may be aware that the problems have been solved.
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This brings me back to the question of security.
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At this point I would like to refer again to the question of methods in the first part of my lecture.
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Referring again to the first question, I think...
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Referring to the Coming Point
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I'll deal with it later.
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I' ll touch upon that point in a moment.
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I shall tell you in detail shortly.
4. Introducing the Supporting Materials介绍你的论据
在提出中心思想后，你要证明你的观点是正确的，并为它提供证据。在这个部分一定要用最好的证据试图说服观众，让观众感动深受。下面是介绍论据的提示语句。
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I think this part is the most difficult, so I'll explain it in greater detail.
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I think this part of my paper is most important, so I plan to spend more time on it.
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Please allow me to deal with this matter more extensively.
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Being the most important part of my presentation, I will elaborate on it with more slides.
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I' ll expand this topic with drawings and figures.
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Indicating the Points Briefly
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Limited by the time available, I can only give you a very brief account of this matter.
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I don't think that I should describe the methods in detail, because they are included in the handout.
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I will not go into detail on it.
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This point has been talked about repeatedly in this symposium, so I am not going to spend too much time on it.
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Let's go through the following points very rapidly.
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I just want to outline for you what I experienced in using this new drug.
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I shall not go over all these explanations. My time is running short. So I'll be brief.
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It is sufficient to say that these experiments were poorly designed and without controls.
以上就是presentation主体的结构。一般来说在主体内容中，首先从开场白中过渡过来，然后引入几个观点或现象，再引出presentation的中心思想，最后用事实或者论据来解释自己的中心思想。
presentation注意事项
下面给大家列出一些在presentation主体时需要注意的问题，以及解决示例。
1.Repairing a Slip of Tone更正口误
当在presentation中有口误时，及时更正，不要让观众对presentation的内容产生误解。
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The first of such experiments began in 2000, rather than 1999.
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May I have the lights, I mean the slides.
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The temperature increased, I shall say decreased.
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The population is 13 million, sorry, 31 million.
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The exchange rate dropped from 2.5 to 1.8, I beg your pardon, 1.9.
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As you can see from the first row, excuse me, the second row, that the output increased two fold.
2.Expressions Concerning Audio-Visual Aids寻求现场人员的帮助
有时，你需要运用现场的视听工具来配合你的presentation。有些事情你可以通过手中的激光笔或者仪器完成，有些时候你需要现场其他人员的配合。下面这些语句应用于向其他人员寻求帮助的语句。
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Could we have the lights off? And the first slide, please.
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Lights off, first slide, please.
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Dim the lights, and first slide, please.
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The slide is not so clear. Please darken the room a little more.
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Could you please turn on the lights, please?
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Now, we can have the lights on.
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Please switch on the lights.
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Lights on, please.
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I apologize that this slide is not so clear, but I hope you can still make out the general idea.
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Sorry for the small print.
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I'm sorry we left a figure out here.
3.Explaining the Contents on the Slides向观众解释幻灯片上的内容
在做presentation时很有可能会用到幻灯片，这样会使观众有更好的视听感受。下面的语句可以在你介绍幻灯片内容的时候用到。
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This slide demonstrates ...
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On this slide, you can see...
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This curve in this slide shows...
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This figure in this slide exhibits...
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This table on this slide presents...
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This diagram on this slide depicts...
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This chart on this slide displaces ...
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The picture on this slide shows ...
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The photomicrograph on this slide shows ...
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The flow-chart on this slide points out...
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The circuit diagram on this slide represents...
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Indicating the Sources of the Content in a
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This figure is taken from.., by Dr. Li.
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This diagram is after that of Prof. Wang with some modification
4.Demanding to Change the Slide要求切换幻灯片
如果你不是自己使用激光笔的话，你就需要用语言来和现场其他人员配合，来调整幻灯片的播放，下面是可能会用到的语句。
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May I proceed to the next slide, please?
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I think we can move on to the next slide.
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Let me show you the next slide.
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To make a comparison, can we return to the first slide, please?
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Let's go back. No, not this one. One back. Back one more. Yes, that’s it. Thank you.
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May I go back two slides, please?
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Sorry, this one is in the wrong order. May I have the next one?
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Oh, this slide is misplaced. Please skip over it. Yes, this is the correct one.
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I'm afraid I didn't ask for this slide. Can we go back to the previous one? Please.
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Let's go through the following slides rapidly.
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The following three slides we will go through quickly without explanation.
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Wait a minute, please. I want to say more about this slide.
这些就是presentation主体中需要用到有关演讲顺序、演讲结构和沟通技巧的语句，当然presentation最重要的还是内容。在精彩的内容之上再加上完美的演绎，presentation才会变得完美。
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