第一句：Mr. Smith, I'd like to make a formal complaint.

　　史密斯先生，我要正式向您投诉。

　　A: Mr. Smith, I'd like to make a formal complaint.

　　史密斯先生，我要正式向您投诉。

　　B: Oh, what's that?

　　噢，怎么了？

　　A: Things are in a mess.

　　事情是一团糟。

　　B: Can you tell me what's happening?

　　您能告诉我到底发生了什么吗？

　　第二句：We didn't receive the same quantity of goods as we mentioned in the agreement.

　　我们没有收到协议中规定数量的货物。

　　A: We didn't receive the same quantity of goods as we mentioned in the agreement.

　　我们没有收到协议中规定数量的货物。

　　B: I am sorry. There seems to be a problem in the system.

　　很抱歉。可能是程序出了问题。

　　A: Could you look into this?

　　您能调查一下吗？

　　B: Yes. I will find out who is in charge of this.

　　当然。我要调查一下是谁负责这项事务。

　　其他表达法：

　　Something has gone wrong somewhere. 某个地方出现问题了。

　　What's going to? 怎么了？

　　发言时不可长篇大论，滔滔不绝（原则上以3分钟为限）。

　　不可从头到尾沉默到底。

　　不可采用不正确的资料。