医生知道的如此之少，收费却如此之高。

理解人类认知的关键在于理解符号是如何被操作的。

Innovation in fishing technology must go hand in hand with conservation efforts.

We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.

我想写一本既有趣又能让人思考的书。