that is it is it is for this is for的区别及用法
详解It is+adj+of\for sb to do sth的翻译用法及区别
it is convenient for it is convenient to的区别
This is That is There is It is 的分别
this is ...和it is...的区别
this is 和it is的区别
this is 和 it is 的区别
it is for
It is for children
IT IS FOR FREE
it is easy for 和it is easy to 区别
it is for free和 it is free 区别
that's what it is there for.