解释：受宠而不骄横，骄横而能安于下位，地位在下而不怨恨，怨恨而能克制的人，是非常少见。

It is remarkable that a science which began with the consideration of games of chance should have become the most important object of human knowledge.

布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数，即股票的波动率。