The beauty of the Black-Scholes model is that it reduces the problem of pricing an option to estimating a few key parameters, most notably volatility.
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。
History is not the past. It is the method we have evolved of organizing our ignorance of the past.
过去并未死去，它甚至还未过去。
写作是一种更强烈地体验生活、赋予生活更多意义的方式。