形容词
中文翻译：Unknown
同义词：
['obligatory', 'compulsory', 'mandatory', 'indispensable']
例句：
-
1. The government has made it mandatory for all citizens to register their cars.
政府已经规定所有公民必须登记他们的汽车。
-
2. The contract is mandatory for both parties.
这份合同对双方都是强制性的。
-
3. The company's policy is mandatory for all employees.
公司的政策对所有员工都是强制性的。