因果推理需要仔细思考分析背后的假设。
"Causal inference requires careful thought about the assumptions underlying your analysis."
过度捕捞的真正代价是用空荡荡的渔网和破碎的社区来衡量的。
这种相思之情无法消除,刚从眉间消失,却又涌上心头
"The best stories are those that leave room for the reader's imagination."
You don't need to change a single thing about yourself.
Never be afraid of the moments--thus sings the voice of the everlasting.