-I will be pleased to answer any questions you may have at the end of the presentation.

-Please can you save your questions till the end. 

-If you have any questions, I will be pleased to answer them at the end of the presentation.

-there will be time at the end of the presentation to answer your questions-so please feel free to ask me anything then.

-Don't hesitate to interrupt if you have a question.

-Please feel free to interrupt me at any time.

-Please stop me if you have any questions.

-If you need clarification on any point, you're welcome to ask questions at any time.

-Can I come back to that point later?

-I will be coming to that point in a minute.

-That's a tricky question.

-We will go into details later. But just to give you an idea of...

-I am afraid there's no easy answer to that one...

-Yes, that's a very good point.

-Perhaps we could leave that point until the questions at the end of the presentation

-I think I said that I would answer questions at the end of the presentation---perhaps you wouldn't mind waiting until then.

-I think we have time for just one more question

欢迎听众(正式)

- Welcome to our company

- I am pleased to be able to welcome you to our company...

- I'd like to thank you for coming.

- May I take this opportunity of thanking you for coming

欢迎听众(非正式 )

- I'm glad you could all get here...

- I'm glad to see so many people here.

- It's GREat to be back here.

- Hello again everybody. Thank you for being on time/making the effort to come today.

- Welcome to X Part II.

受邀请在会议上致词

- I am delighted/pleased/glad to have the opportunity to present/of making this presentation...

- I am grateful for the opportunity to present...

- I'd like to thank you for inviting/asking me/giving me the chance to...

- Good morning/afternoon/evening ladies and gentleman

- It's my pleasant duty today to...

- I've been asked to...

告知演讲的话题

- the subject of my presentation is...

- I shall be speaking today about...

- My presentation concerns...

- Today's topic is...

- Today we are here to give a presentation on...

- Today we are here to talk about...Before we start, I'd like you meet my team members...

- A brief look at today's agenda...(告诉听众所讲内容的先后顺序)

- Before we start our presentation, let's take a brief look at the agenda...

- I shall be offering a brief analysis of...

- the main area that I intend to cover in this presentation is...

- Take a moment and think of...

- Thank you for giving me the opportunity to tell you about...

告诉听众发言的长度

- During the next ten minutes, I shall...

- I shall be speaking for about ten minutes...

- My presentation will last for about ten minutes...

- I won't take up more than ten minutes of your time...

- I don't intend to speak for longer than ten minutes...

- I know that time is short, so I intend to keep this brief

- I have a lot to cram in to the next ten minutes, so I'd better make a start...

引起听众的兴趣 

- I'm going to be speaking about something that is vitally important to all of us.

- My presentation will help solve a problem that has puzzled people for years...

- At the end of this presentation you will understand why this company has been so successful for so long...

- I am going to be talking about a product that could double your profit margins...

- the next ten minutes will change your attitude to sales and marketing...

- Over the next ten minutes you are going to hear about something that will change the way your companies operate...

- By the end of this presentation you will know all there is to know about...

告诉听众内容要点

- there are five main aspects to this topic (...the first, ... the second, ...a third, ...another, ... the final)

- I am going to examine these topics in the following order (...first, ...next, ...after that, ...finally)

- I've divided my talk into five parts...

- I will deal with these topics in chronological order...

- I'm going to start with a general overview and then focus on this particular problem (...in general, ...more particularly).

- I want to start with this particular topic, and then draw some more general conclusions from it (...specifically, ... in a wider context).

- there are (a number of) factors that may affect...

- We have to take into account in any discussion of this subject, the following considerations.

- We all ought to be aware of the following points.

结束语

-In conclusion, I'd like to...

-I'd like to finish by...

-Finally...

-By way of conclusion...

-I hope I have made myself understood

-I hope you have found this useful

-I hope this has given you some idea/clear idea/an outline of...

-Let me end by saying...

-That, then was all I had to say on...

-That concludes our presentation...

-I hope I've managed to give you a clearer picture of...

-If there are any questions, I'd be delighted to...

-Thank you for your attention...

-Let's break for a coffee at this point

-I am afraid that the clock is against us, so we had better stop here

-You have been a very attentive audience---thank you