—— 请按键盘 空白键 开始游戏 ——

孩子有超强的记忆力,当孩子可以动手操作而仅用眼看时,会记得更好。
There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
I write to understand what cannot be understood.