—— 请按键盘 空白键 开始游戏 ——

Sometimes the simplest things are the most powerful.
The true teacher defends his pupils against his own personal influence.
科学不仅仅是事实的集合;它是一种思维方式。
可持续发展不再是选择,而是任何希望长期繁荣的企业的必需品。
The future of agriculture lies in the integration of technology and traditional farming.