isn't和is not有什么区别

isn't和is not有什么区别 this is not my ... 和 it isn‘t my ... 有什么区别么? it's not you,is it?和it's you,isn't it?的意思一样么?有什么区别? 英文中,it isn’t 和 it’s not 有什么区别? It isn't和It's not有什么区别?在句首? it's not和it isn't有什么差别? It's not difficult和It isn't difficult 有什么区别?这两个句子都能成立吗? Don't ,isn't有什么区别 Isn't it 和 is it区别 isn't=is not it isn't和it's not的区别 No,it isn’t.和 It is not.