布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为估计几个关键参数，尤其是波动率。

"A children's story that can only be enjoyed by children is not a good children's story in the slightest."

You have to be strong mentally to succeed at the highest level.

Don't just grow crops—grow ecosystems.

农业实践中的微小改变可以对全球粮食安全产生重大影响。

我不是刻意要表现得性感或怎样，我只是在做我自己。