请问be aimed at doing sth.和aim at doing sth.有什么区别?

请问be aimed at doing sth.和aim at doing sth.有什么区别? 辨析:aim at doing sth.和be aimed at doing sth. be good at doing sth.和be good at sth.区别 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 Aim at ,be aimed at的区别 aim at 和be aimed at 区别,非谓语用法 be successful in (doing) sth.be successful at (doing) sth. like doing sth和enjoy doing sth有什么区别? aim at 和 be aimed at be committed to doing sth和commit to doing sth 有什么区别? 当 aim at 和be aimed at 都是针对 ,旨在与的意思时 有什么区别 look at doing sth