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煤炭行业要坚定不移地走安全高效、清洁低碳的发展道路。
All men are liable to error; and most men are, in many points, by passion or interest, under temptation to it.
The simplest materials can contain the most complex meanings.
The best way to understand labor markets is to look at real-world data, not just theoretical models.
【释义】:孤高自傲的人,难以共处,懂得留有余地的人,不会匮乏,穷尽一切的人,就会面临衰竭。