-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 topic

来源:http://www.diyifanwen.com/yanjianggao/janjiangjiqiao/1611312184014615.htm