all right 与that is right \that is all right 区别

all right:好的。表示明白，了解。

Dad: Go get that newspaper for me.

Me: All right.

that's right:没错，对。 表示同意。

Mom: Today is friday,right?

Me: That's right.

that's all right:没关系。表示谅解,不用谢.

Someone: Oh, i m sorry. My apologize.

Me: That's all right.

Someone: Thanks for helping me out, dude.

Me: Thta's all right.