—— 请按键盘 空白键 开始游戏 ——

Once you understand how to write a program get someone else to write it.
Never stop learning, because baking, like life, is an endless education.
每种心理状态都有其存在的目的;要理解它,我们必须询问它在更广泛的行为系统中发挥什么功能。