:It's not 和It isn't 区别在哪啊?

:It's not 和It isn't 区别在哪啊? it isn't和it's not的区别 It isn't和It's not有什么区别?在句首? it's not you,is it?和it's you,isn't it?的意思一样么?有什么区别? it's not 和it isn't 用法上的区别 请问it's not和it isn't的区别(详细) 英文中,it isn’t 和 it’s not 有什么区别? it isn't fair和it's not fair的区别 No,it isn't和No,it's not的区别 it's not和it isn't有什么差别? it's not my...和 it isn’t my. it isn't =it's not