Operational effectiveness and strategy are both essential to superior performance, which, after all, is the primary goal of any enterprise.

I'm not saying I'm gonna change the world, but I guarantee that I will spark the brain that will change the world.

我们不会试图比市场更聪明；我们试图理解它。

当随机化不可行时，匹配方法可以是一个强大的工具。