The world is a book, and those who do not travel read only one page.
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))。
I’ll do whatever it takes to win games, whether it’s sitting on a bench waving a towel, handing a cup of water to a teammate, or hitting the game-winning shot.
质量就是在无人监督时依然把事情做对。
Every small step toward sustainability compounds into a wave of global impact.