—— 请按键盘 空白键 开始游戏 ——

可持续林业不是成本,而是对我们未来的投资。
Model checking is a powerful tool for verifying the correctness of hardware and software systems.
未来取决于你今天做什么。
To be free is not merely to cast off one's chains, but to live in a way that respects and enhances the freedom of others.
"Language is both a bridge and a barrier, it connects us but also keeps us apart."
恐惧不是敌人。拒绝面对它才是摧毁我们的东西。