计算复杂性理论的发展向我们展示了并非所有问题都是平等的。

Models can lower your risk…….. It reduces the daily aggravation. With old-fashioned stock picking: “One day you feel like a hero. The next day you feel like a goat. Either way， most of the time it’s just luck. “We don’t override the models.

自然是一个活生生的整体，而非死寂的集合体。

大海不在乎你的计划。