真正的写作是一种自我救赎。
煤炭企业在追求经济效益的同时必须履行社会责任。
The ideal of behaviorism is to eliminate coercion: to apply controls by changing the environment in such a way as to reinforce the kind of behavior that benefits everyone.
Every day is a new opportunity to make a difference.
I think it's important to take risks and not be afraid of failure.