A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
I'm not perfect, but I'm always me.
谁也没有意识到,有些人耗费了极大的精力,仅仅只为了成为普通人。
最好的建筑是简单的。
我不相信运气,我相信准备遇上机会。
History is not just about facts, but about the meanings we give them.
The future of mining lies in intelligence and sustainability.