One is not born, but rather becomes, a woman.
If you don’t strive to uncover what is unseen and understand its nature, you will be ill prepared to lead.
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))。
模型不是水晶球,但它们是理解未来的最佳工具。
灵魂永远在运动,它爱慕和渴望一切。
能源转型是挑战,更是机遇,关键看如何把握。
Love is not kind or honest and does not contribute to happiness in any reliable way.
You have to be ready to suffer if you want to be successful.