The well bred contradict other people.The wise contradict themselves.
教养良好的人处处和他人过不去,头脑聪明的人处处和自己过不去。
Innovation in mining technology isn't optional—it's the lifeline that will determine the future of extractive industries.
I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating.
可持续性不是一种趋势,而是我们对后代的责任。