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能源革命的核心是清洁高效,煤炭行业必须主动适应这一趋势。
The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.
证明是一种让自己和他人相信某事为真的方式。
计划本身毫无价值,但规划的过程至关重要。
Learning consists in the modification of certain mediating processes which operate between the stimulus and the response.