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一、竞争:蜡烛拒绝阳光19世纪中叶,法国蜡烛制造商巴师夏给下议院写了一封信。信中写道:“我们正在受到
Competition: Candles Refuse Sunshine By the mid-19th century, French candle maker Basha wrote a letter to the House of Commons. Wrote: ”We are receiving it