If you connect the body to a spring, which is neither compressed nor extended, there's no force acting on it.

如果将一个弹簧连在这个物体上,弹簧既没有被压缩也没有被拉伸,也不会有力作用在它上面

耶鲁公开课 - 基础物理课程节选

Napoleon,if you think of it,Napoleon's a person extended through space and time.

这样，拿破仑是一个跨越时空的人。

耶鲁公开课 - 死亡课程节选

He argued for the notions of operant conditioning to be extended to everyday life and argued that people's lives would become fuller and more satisfying if they were controlled in a properly behaviorist way.

他认为我们应当,将众多操作性条件作用的概念,应用于日常生活之中,他还认为，如果能够以行为主义者眼中,恰当的方式来控制人们的行为,那么人们便会拥有更加充实美满的生活。

耶鲁公开课 - 心理学导论课程节选