题目内容：

be good for 和 be good to

优质解答

除了后面加动词的时候to是to do,for是for doing,其它的应该可以互换吧
但是二者也有歧义的时候.即不都表示"好"
be good for对...有好处
Reading more is good for your writing.
be good to对...态度好
We should be good to the old.