aim的词组问题.
问题描述：
aim的词组问题.
aim的词组中有这样两个：“aim at doing sth"和“aim to do sth"
好像是说这两个都是可以的,都是正确的搭配,那请问 难道就没有什么区别么?
答
主语是人时可以不区别.但主语是物时不能用aim to do sthaim at doing 具体应是 aim(sth) at doing.如The international agreement _______ children not to smoke and help people kick the habit,was signed on Feb...