—— 请按键盘 空白键 开始游戏 ——

Even if I knew that tomorrow the world would go to pieces, I would still plant my apple tree.
Innovation is not from 1 to N, but from 0 to 1.
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。