—— 请按键盘 空白键 开始游戏 ——

Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.
我喜欢一步一步来,一场比赛一场比赛地打,一个赛事一个赛事地参加。
"Literature is the mirror that reflects the soul of society, showing us both its beauty and its flaws."
The market is never wrong – opinions often are.
Intelligence is not about replacing people but liberating them from heavy labor.
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。