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The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
改变是好的。改变就是进步。没有改变,一切都不会改善。
最好的报复就是成功和幸福。
The real art of conversation is not only to say the right thing at the right place but to leave unsaid the wrong thing at the tempting moment.