"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
Facing market changes, an enterprise must have the ability to respond quickly.
缺乏多样性的森林就像只有一本书的图书馆。
The future of sustainable farming lies in the balance between productivity and environmental stewardship.
【译文】忍下一时的怨气,可以免除长久的忧患。遇到不利的情况学学乌龟,该缩头的时候就要把头缩回去。