—— 请按键盘 空白键 开始游戏 ——

For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
人比事物更需要被修复、更新、复兴、回收和救赎;永远不要抛弃任何人。
The best way to predict the future is to create it.