Any teacher will tell you that is really when you really understand the fundamentals of a subject that you really think it through when you explain it.

任何老师都会告诉你,当你解释它的时候,才是你真正想通,并且开始真正理解,一门课的根本。

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So, for example, there's a magician-- The question is not, could I explain to you how the seance manages to do the amazing things that it does?

比如说,有一个魔术师,问题不在于,我能否给你解释通灵任何,做到这些惊人事情的

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