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...