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》

In the past, the work in the factory could not move forward for lack of necessary rules and regulations.

过去由于规章制度不健全，这个厂的工作老是上不去。

《新英汉大辞典》

The rules and regulations of the classroom were not necessary, because nobody wanted to break the rules.

似乎学校的一切规定都是多余无用的，因为没有人也没有必要去违反那些规定。

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The government is promising "protocols" to handle any privacy or consumer protection issues - but also stressing that this is a private sector initiative and it will not be hamstrung by rules and regulations.

BBC: Midata: Will the public share government's enthusiasm?

Even for local players, the biggest challenge is not having clear rules and regulations when entering overseas markets.

BBC: Islamic finance faces growth challenges

But unlike public schools, they are not bound to the rules and regulations of a district, state or teachers union.

CNN: Documentaries spark education debate