理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。

我们要勇于面对挑战，敢于突破自我。

The beauty of mathematics only shows itself to more patient followers.

Immediately pay what you owe to vendors， workers， contractors. They will go out of their way to work with you first next time.

The only way to be truly happy is to accept who you are and never stop growing and evolving.

The best way to predict the future is to create it.

因果关系是宇宙的结构，概率是其语言。