mandatory

🇬🇧/ˈmændətəri/ 🇺🇸/ˈmændətɔːri/📚 5182 41 1托福雅思
If an action or procedure is mandatory, people have to do it, because it is a rule or a law. 法定的

adjective [原级]强制性的,义务的;受(前国际联盟)委任统治的

He was married, and that was mandatory.
他结婚了,这是强制性的。

noun [专属名词]受托人,代理人(=mandatary)

An effective and mandatory program sponsored by the high school is the only solution to this serious problem.
由高中主办的的有效的强制性项目是解决这一严重问题的唯一办法。

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