做presentation，我们要注意对话题的准备以及态度和身体语言等等，除此之外，我们还应该掌握一些常用句型。（文件出处http://blog.yeshj.com/sergeyuan/articles/1548633.html）

1. Right, let's get started.

2. Let me introduce myself.

3. I've divided my presentation into three main parts.

4. Just to give you a brief overview.

5. I'll be saying more about this in a minute.

6. I'm sure the implications of this are clear to all of us.

7. There's an important point to be made here.

8. OK, let's move on. (go on to make your next point)

9. As you can see, the figures speak for themselves.

10. To go back to what I was saying earlier.

11. Are there any questions you'd like to ask at this point?

12. I'd like to look at this in more detail.

13. Let's put this into perspective. (to explain it this way)

14. Perhaps I should expand on that a little.

15. To digress for a moment? (to depart from your plan)

16. So, to sum up?

17. That brings me to the end of my talk.

18. Thank you. I'm sure you all have lots of questions.