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。
一个伟大的剪辑师知道何时该克制，何时该推进。
适应力是任何行业长久发展的关键。
人是自己的世界。
Food safety is the lifeline of an enterprise, without safety there is nothing.
音乐是我的生命，没有音乐我不知道怎么办。