■人们都喜欢别人赞同自己所做的事情。

误：We all like others to show approvals of what we do.

正：We all like others to show approval of what we do.

析：approval(批准，认可，赞同)是不可数名词。

■我们已得到他的允许可以使用他的汽车。

误：We have obtained his approval to use his car.

正：We have obtained his approval of our using his car.

析：approval 后通常不接不定式，若语义上需要，可用 of doing sth。