—— 请按键盘 空白键 开始游戏 ——

英雄与恶棍之间的界限往往比我们想象的更薄。
Flow is being completely involved in an activity for its own sake. The ego falls away. Time flies. Every action, movement, and thought follows inevitably from the previous one, like playing jazz. Your whole being is involved, and you're using your skills to the utmost.