can除了be able to还等于什么?

can除了be able to还等于什么? be able to等于be able to=manage to 还等于什么 be able to do sth 等于什么 can could be able to return to 等于什么是等于go back么顺便问一下can和be able to 有什么区别 be able to 和could/can 有什么分别 can和be able to的区别 be able to、can、could的区别 can和be able to 的区别 can与be able to的区别 用can和be.able to填空 be able to和can的区别 比较can 和be able to be able to与can 的区别 be able to 与 can的区别 be able to ,can,may的区别 can/be able to（中文意思） 问下be not able to/be unable to/can't 有什么区别