You still see this with some formats where the official spec refers to a particular historical implementation for which no source code is available.

您仍然还能看到一些格式，其官方规范引用了一个特殊的历史实现，但是该实现没有源代码。

youdao

It is rather odd that this "1.0" spec was pretty much under wraps until then; thus the XML community was left with no chance at a public review before the release date.

令人感到相当奇怪的是，此“1.0”版规范几乎是从那时起才开始包装的；因此在发布之前，没有为XML社区留下任何评价的机会。

youdao

There is no practical way to check if the web page you just coded conforms to the spec.

没有可行的方法来检查你刚写好的网页是否符合规范。

youdao

None of the typical follow-up visits, no spec creative work where candidates offer up storyboards, ideas and filmstrips to give a feel for expected TV ads.

FORBES: The Winner's Circle

Like a developer I knew years ago said recently, no one spec-builds anything anymore.

FORBES: What Does It Take To Start A Hotel?

There were no product spec details, but the 60-second drama promised revolution and salvation.

ENGADGET: Editorial: BlackBerry slumps into history of Super Bowl tech ads