As( for) math,I am the best in my class

问题描述:

As( for) math,I am the best in my class
这里的for为什么不用in

因为as for 是个固定短语,意为:至于,关于
如:As for you,you'd better be quick.至于你,你最好快点.
请在客户端右上角评价点“满意”即可,