The future of coal depends on balancing economic growth with environmental care.
Happiness is secured through virtue; it is a good attained by man's own will.
植物油脂肪油的使用在今天看来可能微不足道,但这些油或许会随着时间的推移变得像某些天然矿物油和焦油产品一样重要。
The coal research is just as important as the DNA work.
思想和背景的多样性会带来更好的决策和更具创造性的解决方案。