19世纪70年代，以利沙·格雷计划发明了电话。

In the 1870s, Elisha Gray developed plans for a telephone.

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一个特别有趣的例子发生在17世纪初至18世纪初，那时意大利北部的克雷莫纳市生产了一批非同寻常的小提琴。

There's a particularly interesting case with an extraordinary generation of violins made in Northern Italy, in the city of Cremona, back in the late 1600s to early 1700s.

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在19世纪，读者受众为年轻男孩的小说作家霍雷肖·阿尔杰凭借讲述白手起家的故事成为美国最畅销作家。

In the nineteenth century, Horatio Alger, a writer of fiction for young boys, became American's best-selling author with rags-to-riches tales.

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