—— 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.
我们都被自己过去的幽灵所困扰,有时也被别人的幽灵所困扰。
在孩子身上获得最好的收获,请只花你预算的一半的钱,但花双倍的时间陪伴他们。
The more you learn, the more you know, the more you know, the more you forget. The more you forget, the less you know. So why bother to learn?