Penny paper is a term referring to papers made widely available to the public.

大众报是一个术语，指的是大众广泛阅览的报纸。

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But the phrase "penny paper" caught the public's fancy, and soon there would be papers that did indeed sell for only a penny.

但是“便士报”这个词引起了公众的兴趣，很快就会有真的只卖一个便士的报纸了。

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A chemistry professor at Harvard University is trying to shrink a medical laboratory onto a piece of paper that's the size of a fingerprint and costs about a penny.

哈佛大学的一位化学教授正在尝试将医学实验室集成到一张只有一节手指大小，成本约一便士的纸片上。

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It was three cents for the paper and the kid who sold it got to keep a penny.

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