The beauty of the Black-Scholes formula is that it depends on only one unobservable parameter, the volatility of the stock.
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。
学习的最佳方式是教授。
The companies that thrive will be those that turn environmental challenges into business opportunities.
We must think beyond borders—forests don't recognize lines on a map.