be suitable for sb 有be suitable to do适合做这个短语?

be suitable for sb 有be suitable to do适合做这个短语? be suitable to和be suitable for be available for与be suitable to 有什么区别 be suitable for be suitable for/ be suitable to/ be fit for的用法区别是什么 be suitable for be suited for有什么区别? be suit to be suitable for等等的差别 可以说it is suitable for sb to do sth be suitable for=be fit for be suitable后用什么介词,是to还是for 可以说sb is suitable to do sth? 有没有be helpful（for sb） to do这个短语