Electronic versions use electricity and fossil fuels.

电子版本使用电能和化石燃料。

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There are electronic versions of football, boxing, and karate, for example.

例如，有电子显示的橄榄球，拳击和空手道。

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The book goes on sale on Monday in the U. S. as well, but some electronic versions were already being delivered Sunday.

这本书在美国的上架时间也是周一，不过电子版从周日开始就已经发售了。

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It allows users to surf the Web, watch video,listen to music, play games or read electronic versions of books.

VOA: standard.2010.04.03

HarperCollins, for instance, has sold hundreds of thousands of cartridges in Britain that let users read electronic versions of classic texts on Nintendo DS portable game consoles.

ECONOMIST: The future of publishing: E-publish or perish | The

Random House will now distribute the electronic versions of the works to all retailers after Mr. Wylie reached a truce with the publisher and agreed to terms for the titles.

WSJ: Amazon Loses E-Book Deal

Small ones, different colors, different shapes, even electronic versions.

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