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最大的悲剧是普通人的悲剧。
The greatest tragedy is the tragedy of the common man.
人变得真正低劣时,除了高兴别人的不幸外,已无其他乐趣可言。
To promote the high-quality development of the coal industry, we must rely on technological innovation and intelligent upgrading.
Labor is the source of all wealth and all culture.