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。
Every sentence I utter must be understood not as an affirmation, but as a question.
仓库里没有积蓄备用的粮食，一旦遇到饥荒之年，就很难应付了。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
We can talk about a happening in three main ways: by describing it， by recounting its history， by telling a story about it.
创新是我们工作的核心，但必须与责任相平衡。
我们如何构建问题会极大地影响我们提出的解决方案。