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The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
可怜的是那些快乐取决于他人许可的人。
我做过的最有争议的事情就是坚持下来。
The wine is the most healthful and hygienic of beverages.
海鲜的真正成本不在价格标签上,而在生态系统中。