be good at doing sth.和be good at sth.区别
问题描述：
be good at doing sth.和be good at sth.区别
答
一个后边跟动词ing，一个跟名词
比如：I am good at learning math.
I am good at math.
答
doing sth擅长于做某事
be good at sth. 对某事在行
希望能采纳，谢谢了
答
没有区别,只是它们所接的词不同,接动词时一定要用ING形式,如
He is good at singing .
He is good at English .