—— 请按键盘 空白键 开始游戏 ——

Coal isn't the problem - how we use it is. The solution lies in cleaner technologies and better utilization.
煤炭不是问题所在,问题在于我们如何使用它。解决方案在于更清洁的技术和更好的利用。
我不完美,但我一直在努力改进。
朗兰兹纲领是对数学如何被视为一个单一、连贯整体的愿景。
The simplest drawings can often carry the deepest emotions.
Progress in agriculture must be measured not just in yield, but in long-term environmental impact.