—— 请按键盘 空白键 开始游戏 ——

Every mathematical problem has a solution; it's just a matter of finding the right perspective.
The only thing you absolutely have to know is the location of the library.
解释:善于制造弓箭的工匠之子,必须先从编织簸箕开始;善于冶炼的工匠之子,必须从连缀皮裘开始。
Be kind,for everyone is fighting a hard battle.And if you really wanna see what people are,all you have to do...is look.