A: guess what! I know something you don't know!
B: what's that?
A: how many planets are there in the solar system?
B: that's easy. Everyone knows that there are nine.
A: not anymore! Can you believe it? They've decided that Pluto is not a planet anymore!
B: nice try! I wasn't born yesterday, you know.
A: I'm dead serious.
你猜怎么着?我知道一些你不知道的事情.
什么事?
你知道太阳系有多少行星吗?
很简单.大家都知道有九大行星.
现在可不是啦!你相信吗?他们决定取消冥王星的行星资格了.
想得美.别哄我了,我又不是三岁小孩.
我是认真的.