WTO rules are part of the customary rules of international law.

WTO规则是国际法一般规则的一部分。

youdao

But in the folk mortgage practice, various regional customary rules actually still exist and continue.

但在民间的抵押实践中，却依然存在着各不相同的区域性习惯规则。

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In the primitive ages, human rights were recognized and maintained by relying mainly on customary rules as primitive social norms.

人类在原始时代，人权主要依靠作为原始社会规范的习惯规则来确认和维护。

youdao

The ncegele provides entertainment during festivities, accompanies prayers in the parishes and in sacred woods, stimulates enthusiasm for work, punctuates funerary music and supports the teaching of value systems, traditions, beliefs, customary law, and rules of ethics governing society and the individual in day-to-day activities.

UNESCO: Intangible Cultural Heritage