A: We have been here for about five days and I have to leave now.

　　B: OK! You know you're always welcome here. Did you enjoy your stay?

　　A: Yes, we have a very pleasant time. Thank you for being so nice for us.

　　B: It's our pleasure. And is there anything else we can do for you before you leave here?

　　A: No, thanks. You've done a lot for us. Thank you for everything.

　　B: Don't mention it. Oh, this is a small gift for you.

　　A: Oh, thank you. It's very kind of you.

　　B: We hope you could visit our company again.

　　A: We're sure we will. And welcome to our corporation next year. We're expecting you.

　　B: OK! We'll definitely go to visit your company.

　　重点讲解：

　　1. corporation 公司

　　2. definitely 明确地；确定地

　　3. "don't mention it"的意思是“不必客气”，同义词还有"you're welcome""it's my pleasure"等。

　　送客户的时候可以说"have a nice flight 旅途愉快"A: 我们已经在这里五天了，必须得走了。

　　B: 随时欢迎你们。你们这几天过得怎么样？

　　A: 很愉快。谢谢你们照顾得这么周到。

　　B: 我们应该做的。在你们走之前还需要我们做些什么？

　　A: 不用了，谢谢！你们已经为我们做了很多了。感谢你们所做的一切。

　　B: 不客气。对了，这是一份送给你们的小礼物。

　　A: 谢谢！你们太客气了！

　　B: 我们希望你们能再次前来参观。

　　A: 我们一定来。也欢迎你们明年来我们公司，期待你们的来访。

　　B: 好的，我们一定去拜访。