"If someone had told me in law school,even, that I have a crystal ball and I see in your future that you're an art lawyer, I probably would've said, 'What in the world is an art lawyer?'" Because there weren't any.

VOA: standard.2010.07.26

Raise your hand if you don't if you don't have a ping-pong ball yet.

这样就可以算,背散射的概率了。

麻省理工公开课 - 化学原理课程节选