—— 请按键盘 空白键 开始游戏 ——

The cognitive map is not a picture or a model in the head, but a dynamic, changing representation of the environment.
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
人生就像一杯茶,不会苦一辈子,但总会苦一阵子。