PID控制器是控制工程师的通用工具，适用于各种各样的过程。

合作是解决复杂挑战的关键。

Children understand more than we often give them credit for.

Sustainability isn't a choice; it's an obligation we owe to the planet and future dairy farmers.

我们开采的资源必须与我们为社会创造的价值相匹配。

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.

每一部伟大的作品都是作者与读者之间的一种无声对话。