世界上最成功的社会是那些能够将强大的国家与法治和民主问责制结合起来的社会。
The most successful societies in the world are those that have been able to combine a strong state with the rule of law and democratic accountability.
Overfishing is like maxing out a credit card - the heavy price will come due eventually.
在科学中最令人兴奋的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”
多项式时间归约的概念对于理解NP完全问题的结构至关重要。
