人而不学，犹如在夜里行走般黑暗。
The man who does not I earn is dark, like one walking in the night.
例如在周三夜里2点，假如当地供电公司出现电力供应太多，电力需求太少，公司就可以下调电价。
If the local electric company has too much supply or very little demand at, say, 2 a. m. on a Wednesday, the utility will drop the price per kilowatt-hour.
例如在周三夜里2点，假如当地供电公司出现电力供应太多，电力需求太少，公司就可以下调电价。
If the local electric company has too much supply or very little demand at, say, 2 a. m. on a Wednesday, the utility will drop the price per kilowatt-hour.
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