The key to understanding the Black-Scholes model is to recognize that it is based on the idea of creating a riskless hedge.
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。
跨境合作至关重要——没有任何一个国家能单独解决全球粮食安全问题。
最好的故事是与真相共鸣的故事。
The most important thing is to never stop dreaming.
The web does not just connect machines, it connects people.
当我们发现保持不变比改变更痛苦时,我们就会改变自己的行为。后果给我们带来痛苦,激励我们去改变。