—— 请按键盘 空白键 开始游戏 ——

在一个国家中,一个公民的自由是对其他人的威胁。
The best way to be loved is to love.
For a company to grow, food safety must be the top priority.
The beauty of literature lies in its ability to connect us across time and space.
"Model checking is a powerful technique for verifying the correctness of finite-state concurrent systems."