—— 请按键盘 空白键 开始游戏 ——

你唯一的限制是你给自己设定的那些。
The only limits you have are the ones you set for yourself.
Small changes in the environment can have big effects on behavior.
城市是其人民的集体记忆,与记忆一样,它与物体和地方相关联。