—— 请按键盘 空白键 开始游戏 ——

The strength of a political system lies in its ability to adapt to changing circumstances and to incorporate new ideas and practices.
"We are all the heroes of our own stories, and sometimes the villains too."
追求高效算法的核心是一项数学努力,它挑战了我们对复杂性和可计算性的理解。
"The challenge is to make the impossible look real, and the real look extraordinary."
过去是一个陌生的国度;那里的人们行事方式不同。