第一句：I would like to express our sincere1 thanks to you for inviting2 us to such amarvelous3 business dinner.

　　我对你邀请我们参加这个美妙的商务宴会表示由衷的感谢。

　　A: I would like to express our sincere thanks to you for inviting us to such a marvelous business dinner.

　　我对你邀请我们参加这个美妙的商务宴会表示由衷的感谢。

　　B: You are welcome.

　　您太客气了。

　　A: We really enjoyed the delicious food and excellent wine.

　　我们很喜欢这些美味和美酒。

　　第二句：I enjoyed meeting and talking to you, and sharing the time together.

　　我很喜欢和你们会谈，共度美好时光。

　　A: I enjoyed meeting and talking to you, and sharing the time together.

　　我很喜欢和你们会谈，共度美好时光。

　　B: So do we.

　　我们也是。

　　A: As we say, well begun is half done.

　　正如我们说的那样，良好的开始是成功的一半。

　　其他表达法：

　　Thank you again for the wonderful party. We had a great time.

　　再次感谢这个美妙的晚会，我们过得很愉快。

　　In closing, I would like to invite you to join me in a toast.

　　最后，我想邀请大家和我一起举杯祝酒。

1 sincereadj.真诚的，诚挚的，诚恳的

参考例句：

He is sincere and easy to get along with.他为人诚恳，很好相处。

His mother is a sincere Christian.他母亲是个虔诚的基督教徒。

2 invitingadj.诱人的，引人注目的

参考例句：

An inviting smell of coffee wafted into the room.一股诱人的咖啡香味飘进了房间。

The kitchen smelled warm and inviting and blessedly familiar.这间厨房的味道温暖诱人，使人感到亲切温馨。

3 marvelousadj.奇迹般的，惊人的，了不起的

参考例句：

It'seems to me a most marvelous book.这本书我觉得奥妙之至。

I congratulate you on this marvelous opportunity.恭喜你获得这样一个极好的机会。