—— 请按键盘 空白键 开始游戏 ——

相机就像武器;如果你不知道如何使用它,它就很危险。
The camera is like a weapon; it's dangerous if you don't know how to use it.
The materials we choose today become the legacy we leave tomorrow.
人心在任何年龄都只会向同样敞开的心敞开。
"The beauty of formal methods lies in their ability to provide absolute guarantees about system behavior."