That's all right. That's right. Not……at all. Not at all.分别是什么意思

That's all right.不用谢
That's right 对的，正确的，是的
Not……at all 一点儿...不
Not at all 不用谢

没关系；一点关系都没有；跟本就不；一点也不；

That's all right.没关系
That's right.没错
not......at all.根本就不……
not at all.别客气