所有的文件都将存储在你的亚马逊S3账户里。 而且在支付每月2-4$的基本费后，你只需按使空间使用量来支付费用。

All files are stored in your Amazon S3 account, and after paying the flat fee of $2 to 4 a month, you pay only for the amount of space you use.

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其余的来自艾伦的公开培训课，还有“GTD连线”网站的订阅费；以及正在扩展中的其他附属产品，比如软件插件、文件夹等。

The rest comes from Allen's public seminars, a subscription website called GTD Connect, and a growing line of products from software plug-ins to file folders.

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理查德·费曼参与曼哈顿计划时，一度以撬解装有秘密文件的保险柜自娱。

When he was working on the Manhattan Project, Richard Feynman used to amuse himself by breaking into safes containing secret documents.

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