—— 请按键盘 空白键 开始游戏 ——

艺术是我的逃避,也是我的监狱。
Collaboration across departments leads to breakthroughs.
Mathematics is a living subject, constantly evolving and growing.
学习的挑战不仅在于记忆,还在于从具体例子中归纳出更广泛的概念。