The difference between correlation and causation is not just academic—it can have profound policy implications.
数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。
Our fans are our strength.
是事实的缺失让人们感到害怕:你打开的缺口,他们倾注了恐惧、幻想和欲望。