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。
夢は、追いかけるものではなく、創り出すものだ。
解析：圣人能体会天地民物之情。
When I retire, I want to look back the way I walked past, every day, I have paid my all.
学问使人适合与自己为伍。
