—— 请按键盘 空白键 开始游戏 ——

I'm not arrogant, I just believe I'm the best.
我不是傲慢,我只是相信我是最好的。
The trick is to pay attention to what's happening around you and to keep writing.
Certification schemes are the grammar of responsible forestry—they give structure to our good intentions.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.