It's very  interesting ,it's useful for me

give me five !Yeah!

that's great, I've got it, thank you.

that's great, I've got it, thank you.

The foreign teachers always use "Give me five." to praise students.
When I play "logical" with my bb, I always say "give me five" when she does well.

专家就是专家，我渴望与您这样的专家交流

了解了,谢谢分享哦:)

It's interesting.

我上学的时候就学到这些知识了。有时候 还是真的要多看些书的。 这个知识我从书上看到的。