行为主义者问：为什么我们不把可观察的东西作为心理学的真正领域？

It's not the face, but the expressions on it. It's not the voice, but what you say. It's not how you look in that body, but the thing you do with it. You are beautiful.

The Chinese automotive market still has huge potential; the key is how to tap into it.

伽罗瓦群和自守形式之间的联系是数学中最深刻的奥秘之一。

The concept of computational efficiency is central to the design of learning algorithms.