Sustainability isn't just an option; it's our responsibility to future generations.

The only way to truly change is to change your environment.

To be a writer is to be a professional observer.

理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。

我的角色并不天真，他们知道得太多。