—— 请按键盘 空白键 开始游戏 ——

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Collaboration across the supply chain is key to driving meaningful change.
合作是科学的关键;它将不同的观点和专业知识结合在一起,这对突破至关重要。
Stray birds of summer come to my window to sing and fly away. And yellow leaves of autumn, which have no songs,flutter and fall there with a sigh.