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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。
The line between good and evil is permeable and anyone can cross it.
Love is not a victory march, it's a cold and it's a broken hallelujah.