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。

无论输赢，我都努力从每一场比赛中学习。

Overhead, without any fuss, the stars were going out.

"Life is a series of choices, and the ones you don't make are just as important as the ones you do."

作家的任务是照亮黑暗。