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农民是最早的环保主义者,每天都在与自然合作。
Never overtrade. To do so is to violate a fundamental rule of successful trading.
你应该向你的竞争对手学习,但永远不要抄袭。抄袭你就会死。
布莱克-斯科尔斯公式的美妙之处在于它仅依赖于一个不可观测的参数,即股票的波动率。
"The library is inhabited by spirits that come out of the pages at night."
I’m a big believer in that whatever’s meant to happen will always find a way.