Those are the rules and regulations, and we have to abide by them.
这些就是这儿的规矩, 大家都应该遵守。
What is the total circulation of this newspaper.
这家报纸总发行量多少?
and there is a very firm rule that the bank has no right or authority to pay out a customer's money on a cheque on which its customer's signature has been forged.