—— 请按键盘 空白键 开始游戏 ——

Sustainability is not an option; it's a necessity for the future of our planet.
可持续性不是一种选择;它是我们星球未来的必需品。
Think you're escaping and run into yourself. Longest way round is the shortest way home.
Diplomacy requires constant dialogue with other countries to enhance mutual understanding and trust.
Mathematics is the foundation upon which all sciences are built.
最好的故事来自提出困难的问题,而不是提供简单的答案。