—— 请按键盘 空白键 开始游戏 ——

做好了官,有余力就要学习,学习好了,有余力就去做官。
写作有点像拉屎。如果太费力,那就有问题了。
What is the difference between a Turing machine and the modern computer? It's the same as that between Hillary's ascent of Everest and the establishment of a Hilton hotel on its peak.