—— 请按键盘 空白键 开始游戏 ——

耐心和坚持是实现长期目标的关键。
Patience and persistence are key to achieving long-term goals.
"Model checking is a powerful technique for verifying the correctness of finite-state concurrent systems."
The past is not for living in; it is a well of conclusions from which we draw in order to act.