—— 请按键盘 空白键 开始游戏 ——

The mining industry must lead in demonstrating how extractive operations can coexist with environmental stewardship.
未来属于那些能够快速适应变化的人。
无限的概念不仅仅是一个数学抽象,而是一个物理现实。
There are no solutions. There are only trade-offs.