中世纪时印刷机尚未发明，要出版一本书，每一个单词的每一个字母都得用手工辛苦的刻出来。

During the Middle Ages before the invention of printing presses, every letter of a word had to be painstakingly transcribed by hand for each copy of a published book.

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这个理论对地图，字母表，时钟和印刷机适用，对网络来说同样适用。

This was true of the map, the alphabet, the clock, and the printing press, and it's true as well of the Internet.

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那时他所发明的万能印刷机印出了关于黄金价格的全部消息，而不是仅仅用几个字母或数字把它们表示出来。

His UniversalPrinter，invented at this time，printed full information about goldprizes，instead of showing them only by a few letters and num-bers.

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