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。