—— 请按键盘 空白键 开始游戏 ——

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.
成功不是偶然的,而是通过不断的努力和坚持得来的。
你唯一应该回头看的时候是看你已经走了多远。