Thirty years ago, stealing a single classified document meant using a miniature camera; passing it on required a dead letter box.

30年前，偷一个文件意味着得使用微型相机；运送文件意味着需要一个废弃的邮箱。

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The Pentagon's document runs about 30 pages in its classified version and 12 pages in the unclassified one.

五角大楼的这份文件分为机密和非机密两个版本，分别为30页和12页左右。

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It had a classified footnote that said "information in this document shall not be released to the public or the media".

还有一个机密脚注写道“这份文件内的信息不得泄露给公众或媒体”。

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Many of Alexander's responses to the panel were provided in a classified document not available to the public.

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All I've been doing - it's a very highly classified document.

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The underlying text from which Petraeus proselytizes these days is a classified document, totalling several hundred pages, called the Joint Campaign Plan, written by Petraeus and Crocker.

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