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创新不是一种选择;它是煤炭行业生存的必要条件。
Innovation is not an option; it's a necessity for the survival of the coal industry.
The real heroes are the ones who have the courage to say no.
学校必须是一个让孩子学会尊重权威并接受纪律的地方,这些纪律对于发展他自身的能力是必要的。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome.