Hart claims that law is a system of rules, and the rule of recognition provides the criteria of legal validity.

哈特主张，法律是一个规则体系，承认规则提供了检验所有其他规则效力的标准。

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The system of rules implicit in a language, viewed as a mechanism for generating all sentences possible in that language.

语法规则隐含在一种语言中的规则体系，被看作在该语言中生成所有可能的语句的机制。

youdao

Indeed, there probably never will be an all-encompassing international system of rules and regulations that can cope with the net.

事实上，有可能永远会是一个包罗一切的国际制度的规则和规例，可以应付净额。

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Religion is a system of rules and order and expectations, and it unites people in a purpose.

NEWYORKER: We Are Alive

Also being taxed by all the interest is a new system of rules and regulations designed to improve the transparency of companies for investors.

CNN: Feeling Young At Heart

The partial LIRR drinking ban complicates an already patchwork system of rules about when and where transit passengers in the region can and can't imbibe.

WSJ: End of the Line for Midnight Drinkers