—— 请按键盘 空白键 开始游戏 ——

解决问题仅仅意味着以某种方式表示它,以使解决方案变得透明。
You have to write the book that wants to be written. And if the book will be too difficult for grown-ups, then you write it for children.
People who say it cannot be done should not interrupt those who are doing it.