—— 请按键盘 空白键 开始游戏 ——

Mathematics is the foundation upon which all sciences are built.
The best way to debug a program is to make it work.
可持续的企业不仅对地球有益——对企业也有益。
La literatura es el espejo de la sociedad, pero también su crítica.
The world is a book, and those who do not travel read only one page.