NP完全性的概念为理解计算问题的复杂性提供了一个强大的工具。
最伟大的故事是那些留下伤痕的故事。
行为不仅仅是一种反应,更是一种沟通。
我忍不住,我爱你。
The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.