The future competition is not about products, but about business models.
颜渊感叹地说:“老师的学问越仰望越觉得高耸,越钻研越觉得深厚;看着就在前面,忽然却在后面。老师步步引导,用知识丰富我,用礼法约束我,想不学都不成。
I don't make music for critics, I make it for people.
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'm not a rapper, I'm a movement.