The difference between correlation and causation is not just academic—it can have profound policy implications.
井水越是甘甜,就越容易枯竭;树木越是高大,就越容易被砍伐。
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
Small-scale farmers are the backbone of this industry; their knowledge is invaluable.