Rules and regulations, once set up, should not be turned into a dead letter.

规章制度一经订立，不应成为一纸虚文。

《新英汉大辞典》

Britain once set up its consulate in Tengchong in 1899.

英国曾于1899年在腾冲设立领事馆。

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Good three, brand once set up, the enterprise introducing new the save Labour when saving money.

好处三，品牌一旦树立，企业推出新品时省时省力省钱。

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To represent that chain of events, a long line of oversized, brightly painted dominoes has been set up running for one-and-a-half kilometers in an area where the Wall once stood.

VOA: standard.2009.11.09

So it's a really powerful and simple formalism, once we set up what is needed the go through it, right?

因此这是一种很强大而简单的形式,一旦我们定下需要什么,就可以推导出它，对吧？

麻省理工公开课 - 热力学与动力学课程节选

PROFESSOR: So, does anyone have any questions about the set up here, does it make sense what we're looking for the bar to go back once we make some progress.

教授：所以，有人对这套装置,有疑问吗，一旦我们,取得了一些进展,我们看到这个棒又返回来。

麻省理工公开课 - 化学原理课程节选

For Jimmy, the advantage of his system is that once set up, it can be largely left to run itself.

BBC: Inside one of Britain's cannabis factories

Bob, who once set up an AP at home, installs the new one in the office, configures the printer, and problem solved!

FORBES: Your WiFi is (Possibly) No Longer Secure!

Once set up, we will fund a single system meeting the needs of Wales, allowing people to register either an opt-in or opt-out.

BBC: UK officials warned Welsh government over organ donation