Cars were a novelty once; so were oil wells, plastic bottles and coal-fired power stations. Novelty wears off, though — and, as the industries concerned acquired global heft, the environmental downsides became ever clearer.
汽車曾經是一種新鮮事物，油井、塑料瓶和燃煤發電站也是如此。不過，新鮮感會逐漸消失——隨著相關產業在全球范圍內日益壯大，其環境弊端也變得越來越明顯。
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