No matter what happens in life, be good to people. Being good to people is a wonderful legacy to leave behind.
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。
我不是一个认为一切都有原因的人,但我确实相信,如果你努力工作并忠于自己,好事就会发生。