范例：

Dear Mr. Cheng,

Thank you very much for your warm hospitality during our stay in Beijing. I’d like to express my appreciation to you for making our trip such an enjoyable and successful one.

We sincerely appreciate you for taking time out of your busy schedule to show us around your office and factory. I also sincerely invite you to visit us in London in the near future.

Yours truly,

Jessie

译文：

程先生：

非常感谢我们在北京那段日子里，你对我们的热情招待。感谢你为我们安排了如此愉快而成功的旅程。

衷心感谢你于忙碌之中抽出时间带我们参观你的办公室和工厂。也诚挚邀请你能在不远的将来到伦敦找我们。

杰西