真相是，我们都在等待某些事情发生，即使我们不知道那是什么。

The only thing I know is that I don't know anything.

乳制品生产的可持续性不是一种选择，而是对后代子孙的必要责任。

理解历史的唯一方式就是活在其中。

Denying or deflecting a compliment is rude. Accept it with thanks， even if you believe it is not deserved.

The companies that will thrive are those that see environmental challenges as opportunities for innovation.

模糊集的概念为构建一个在许多方面与普通集框架平行的概念框架提供了一个方便的出发点。

实现明天的唯一限制将是我们今天的疑虑。