The real competition is not between companies, but between generations of technology.
理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
It is not the mountain we conquer, but ourselves.
一流智力的检验标准是同时持有两种对立观点,并且仍然能够正常运作的能力。