there's an awful lot you could tell about a person by their shoes.

问题描述:

there's an awful lot you could tell about a person by their shoes.
为什么用”you could tell“,而不用”you could be told“?--------不好意思,我没有分了------

其实从语法上来说都可以,只不过在这种情况下一般tell会采用主动的形式.