The true measure of our industry's success will be how we balance economic growth with environmental stewardship.
The act of writing is an act of optimism. You wouldn't take the trouble to do it if you felt it didn't matter.
采矿业必须发展以满足不断变化的世界的需求。
有了实际工作,宝宝的自我意识就会逐渐发展、强化。