You are worth more than you think.

The feminist movement has led women to believe that they can have it all—career, family, and personal fulfillment. But the reality is that something has to give.

统一指挥意味着员工应该只接受一个上级的命令。

我们越是了解动物的真实本性，就越意识到我们与它们有多少共同之处。

数学中最重要的是理解概念，而不仅仅是记忆公式。