—— 请按键盘 空白键 开始游戏 ——

Technology should serve people, not the other way around.
Innovation is not just about new ideas; it's about making those ideas happen.
Kindness is everywhere, all you need to do is look....So , I guess, we just to look, look for the goodness. They are actually....everywhere.
The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.