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))。
The beauty of architecture lies in its ability to endure.
追求完美是优秀的敌人。
I have always believed that the way you treat others is a reflection of how you feel about yourself.
我一直相信,你对待他人的方式反映了你对自己的感受。