The difference between correlation and causation is not just academic—it can have profound policy implications.

活着就是受苦，生存就是在苦难中找到一些意义。

领导力在于做出艰难的决定并坚持到底，即使这些决定不受欢迎。

Sustainability isn't just a buzzword—it's the foundation of responsible forestry.

The well bred contradict other people.The wise contradict themselves.

真正的文学应该能够改变读者的生活。