The world is changed by your example, not by your opinion.
煤炭行业必须进化,否则就有被淘汰的风险。适应是生存的关键。
The double helix structure of DNA is one of the most beautiful and elegant structures in all of science.
我是行尸走肉,但我只是一个说话的脑袋,一个漂浮的僵尸,但我永远不会死。