"Justice is not always black and white; sometimes it's a shade of grey."

国际体系的无政府性质迫使各国将自身生存置于一切之上。

The study of computational complexity is a journey through the landscape of mathematical logic and algorithmic theory.

我不相信遗憾。遗憾是浪费时间。它们是过去在现在束缚你。