—— 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.
我们的收入好像我们的鞋子,如果太小就会挤脚并疼痛,如果太大则会绊脚和摔跤。
The best way to predict the future is to create it.