be beneficial to还是for 以及他们的用法

be beneficial to还是for 以及他们的用法 be beneficial for和be beneficial to有什么区别 翻译：更少的有利于：be less beneficial to是这样的吗?还是be beneficial less to It is beneficial to us to read.还是It is beneficial to us for be beneficial to和be benefit to 的区别 beneficial to...是固定搭配?有没有beneficial for...的说法? TO以及BE been的用法 to be up for的用法 be beneficial to后接什么词 used to和be used to的用法以及区别 be beneficial to 后面接动词,是用动词原形还是动词ing形式? It is beneficial for us to do morning exercise.还是It is benef