一个有趣的事实是,岩石越古老,与今天的岩石差异越大。
始终以最终用户为设计核心;功能永远不应为美学而牺牲。
Happiness is that state of consciousness which proceeds from the achievement of one's values.
我不是来取悦任何人的。
The future of coal depends on balancing economic growth with environmental care.