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The present is a fleeting moment, already becoming the past.
The more you know, the more you realize how little you know.
Every ton of coal we extract must create maximum value with minimum environmental impact.
布莱克-斯科尔斯模型的美妙之处在于它将期权定价问题简化为几个可观察的变量。
"The greatest reward for an actor is the silent understanding between the character and the audience."