that's right that's it that's the point 差别?

问题描述:

that's right that's it that's the point 差别?
这三个有什麼差别?
请解释清楚具体一些xie xie!

that's right.表示赞同对方所说的话
that's it表示“也就是如此,也就是这样”的意思
that's the point表示“那就是重点所在”的意思