Yet lighting consumes 25% of the world's electricity and wasteful incandescent bulbs give off plenty of heat as well as useful light.
然而在照明消耗了全球25%的电能的今天，白炽灯泡在发光的同时还释放着大量的热量。
Yet lighting consumes 25% of the world's electricity and wasteful incandescent bulbs give off plenty of heat as well as useful light.
然而在照明消耗了全球25%的电能的今天，白炽灯泡在发光的同时还释放着大量的热量。
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