問題詳情
二、英翻中The lighting industry has finally come up with an energy-efficient replacement for the standard incandescentbulb that people actually seem to like: the LED bulb. Although priced at around 20 times more than theold-fashioned incandescents, bulbs based on LEDs last much longer and use far less electricity, a saving thathomeowners are beginning to recognize. Prices for the bulbs are falling steadily as retailers sell them aggressivelyand manufacturers improve the technology.
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