题目内容：

as with ,as for,as to的区别

优质解答

as with 与...一样
Smiling, as with happiness or optimism.
满面春风的微笑,如带着欢悦的或乐观的
as for
至于,关于
As for you, I refuse to have any dealings with you.
至于你,我不想跟你打任何交道.
as to
a. 就...而论(至于,说到)
We left for the station so early as to catch the first train.
我们很早就动身去车站以便赶上头班火车.