Rich bachelors should be heavily taxed. It is not fair that some men should be happier than others.

The intelligence of that creature known as a crowd is the square root of the number of people in it.

化工行业必须在可持续性方面引领潮流，否则我们都会付出代价。

企业要有社会责任感，不能只追求利润而忽视对环境的保护。