—— 请按键盘 空白键 开始游戏 ——

"The only limit to our realization of tomorrow is our doubts of today."
NP中的每个问题都可以归约为可满足性问题,这是计算复杂性理论的基石。
In social networking, user growth is not the goal but a natural result of user satisfaction.
All money is a matter of belief.
解释:往往在你觉得是轻而易举的时候,困难也就跟着来了。
真相很少是纯粹的,也从不简单。