英语口语：买东西“货比三家” do comparison shopping英语怎么说？

1) 中文有一句话叫：买东西，货比三家。

英语也有一句意思一样的话叫：do comparison shopping  

Example：

1. Before you pay,do comparison shopping.

comparison：to compare different things to show,or to see the difference between this one and that one.

2. Do you do comparison shopping before you pay?

2) do comparison shopping的“理解语言”又是什么呢？是中文“货比三家”吗？

是！ But not limited to(又不限于)，另一个“理解语言”就是英语，同时也是“英语口语”的又一种训练方式，只是常常被我们忽视。

我们一起用do comparison shopping做“英语口语”训练：

When we say Do comparison shopping before you pay, we mean：

1.We compare different prices before we actually go shopping in order to get the best deals and pricing on goods and service(产品与服务) we want to buy.

2. When we do comparison shopping, we want to get the best for less(the best things for less money).

get the best for less是个很好的英语表达，言简意赅。如果不用英语学英语，我们就无法同时学到这么好的英语。