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 you,is it?和it's you,isn't it?的意思一样么?有什么区别? It is not,It's not,It isn't 意思是一样的吗? it isn't和it's not的区别 it's not和it isn't有什么差别? 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 bad.和It isn't bad.意思一样吗? It isn't=It is It's not=It is It isn't=It's It's not you It's me什么意思 it isn't =it's not It's not = It isn't it's not 和it isn't 用法上的区别