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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估计几个关键参数,尤其是波动率。
译文:月亮过了十五后,就逐渐不明亮了,人到了中年之后,做什么事都难以有大作为。赏析:青少年是人生最美好的时期,这个时期精力最旺盛,记忆力最强,也是人生最该努力奋斗的时候。
Innovation is not just about creating something new; it's about improving what already exists.
真相不是我们找到的东西,而是我们创造的东西。
Man is defined as a human being and a woman as a female — whenever she behaves as a human being she is said to imitate the male.