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。
The best actors are the ones who can make you forget they are acting.
I’m not a guy that’s going to let my love for the history down.
提到当初的NBA“菜鸟”生活,姚明戏称