对话一：

A: We can offer you this in different levels of quality.

B: Is there much of a difference in price?

A: Yes ，the economy model is about 30% less.

B: We'll take that one.

A：这产品我们有三种不同等级的品质。

B：价钱也有很大的分别吧?

A：是的，经济型的大约便宜30%。

B：我们就买那种。

对话二：

A: Is this going to satisfy your requirements?

B: Actually, it is more than we need.

A: We can give you a little cheaper model.

B: Let me see the specifications for that.

A：这种的合你的要求吗?

B：事实上，已超出我们所需要的。

A：我们可以提供你便宜一点的型式。

B：让我看看它的规格说明书吧。

对话三：

A: You‘re asking too much for this part.

B: we have some cheaper ones.

A: What is the price difference?

B: The basic model will cost about 10% less.

A：这零件你们要价太高了。

B：我们有便宜一点的。

A：价钱差多少?

B：基本型的便宜约10%左右。