—— 请按键盘 空白键 开始游戏 ——

应该由用户来参数化程序,而不是其创建者。
In university they don't tell you that the greater part of the law is learning to tolerate fools.
当你面对一个拧不动的螺栓或螺丝钉的时候:右转是拧紧,左转是拧松。