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…
