—— 请按键盘 空白键 开始游戏 ——

Who drives me forward like fate? The Myself striding on my back.
“谁如命运似的催着我向前走呢?““那是我自己,在身背后大跨步走着。”
"Model checking is a powerful technique for verifying the correctness of finite-state concurrent systems."
Your attitude, not your aptitude, will determine your altitude.