The key to understanding the Black-Scholes model is to recognize that it is based on the idea of hedging to eliminate risk.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于对冲以消除风险的理念。
Between the wish and the thing the world lies waiting.
Innovation in fisheries must balance ecology and economy.
理解变化的唯一方法就是投身其中，随之而动，加入舞蹈。