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理解布莱克-斯科尔斯模型的关键在于认识到它是基于风险中性世界的概念,在这个世界中投资者对风险漠不关心。
To be one, to be united is a great thing. But to respect the right to be different is maybe even greater.
The sun, the sea, the wind—these are the eternal poets.