—— 请按键盘 空白键 开始游戏 ——

The true measure of success is not just financial gain but the positive impact we leave on the world.
最好的学习方法就是动手去做——在实验室里亲自动手。
采矿业必须进化否则就会过时,没有中间地带。
Investing in cleaner coal technologies is investing in our planet's future.