Coal companies must fulfill their social responsibilities while pursuing economic benefits.
在科学中，我们必须对事物感兴趣，而不是对人。
A good novel tells us the truth about its hero, but a bad novel tells us the truth about its author.
一本好小说告诉我们关于其主人公的真相，而一本坏小说告诉我们关于其作者的真相。