The essence of strategy is in the activities – choosing to perform activities differently or to perform different activities than rivals.
Stories are not just entertainment; they are the way we understand the world and our place in it.
从n对观测值的样本中获得的相关系数的可能误差是sqrt((1-r²)/(n-2))。
最好的感觉是当你知道自己做得一切正确,赛车状态完美的时候。
现在是一个刚刚过去的点。