—— 请按键盘 空白键 开始游戏 ——

Start by doing what's necessary; then do what's possible; and suddenly you are doing the impossible.
释义:眼睛随便乱看就会使你惑乱,耳朵随意乱听就会使你迷惑,嘴巴随意胡说就会给你带来乱子。警示人们在日常生活中要保持谨言慎行的态度,以免招来祸患。
Understanding the computational complexity of learning problems is essential for developing efficient algorithms.