Drupal is free to download and use." (Source: CMS Matrix)

Drupal 可以免费下载和使用。

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Large families are preferred in agricultural countries as a source of free labor.

作为自由劳动力的来源，大型家庭是农业国人们的首选。

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"Free software" and "open source software" can be used interchangeably for the purpose of this article, but "FLOSS" is preferred since it embraces both terms.

“自由软件”和“开放源码软件”可在本文中互换使用，但是推荐使用“FLOSS”，因为它包含了这两个术语。

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It can be understood as a source of new-found authority, of the freedom of one who has been characteristically not free and can be received by a reading community in those terms.

这可以被理解为一种新建立的权威和，一个特性上不自由的人的自由的源头,同时也可以被看做在这些领域里的一个阅读区。

耶鲁公开课 - 文学理论导论课程节选

Free open-source software is chosen over conventional packages.

FORBES: Magazine Article

McDerment's online strategy starts with his Web site, which features a custom-made forum that runs on free, open-source software called PunBB.

FORBES: Magazine Article

This free, open-source program offers a spyware- and nuisance-free installation.

ENGADGET: The Pipeline: Mossberg on Napster to Go, Dvorak on the blogosphere