The key to making this technique work is the tag, which is manipulated on the fly before being sent back to the browser for further processing.

要让此技术发挥作用的关键是标记，该标记在被发送到浏览器做进一步处理之前可被动态操纵。

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Why would it be better to have military intelligence go through the CIA bureaucracy before being sent back for use by the military?

FORBES: Fact and Comment

Kevin Harper sent over a cross which evaded everyone in the area before being sent back in by Matthew Taylor, and his ball cannoned off Ford into the net.

BBC: Portsmouth 3-0 Grimsby