流放不是地点，而是一种状态。

在没有生命力的帮助下合成尿素是一个极其重要的事实。

A person who is too nice an observer of the business of the crowd, like one who is too curious in observing the labor of bees, will often be stung for his curiosity.

情绪是为机体行动做准备的生物信号。