—— 请按键盘 空白键 开始游戏 ——

采矿技术的创新不仅仅是效率问题,还关乎安全和可持续性。
We often think happiness is about getting what we want, but it's more about wanting what we have.
Climate change is the ultimate test of our agricultural ingenuity.
我不需要理由去快乐,我选择快乐。
The test of a first-rate intelligence is the ability to hold two opposed ideas in mind at the same time and still retain the ability to function.