—— 请按键盘 空白键 开始游戏 ——

她是我最好的朋友,我唯一的朋友!
解释:看见外表就可以知道内里,看见过去就可以知道未来。
We should follow whatever seems probable, and avoid whatever seems improbable.
Program testing can be used to show the presence of bugs, but never to show their absence!