Causal inference is not just about statistical significance; it's about understanding the mechanisms behind the numbers.

乳制品生产的创新必须在效率和环境责任之间取得平衡。

愚人创造了这个世界，智者不得不活在其中。

数学是诸神与人类交谈的语言。

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

生活的美在于它的不可预测性；正是这一点让它值得活下去。