The minister is calling for mandatory prison sentences for people who assault police officers.部長呼籲把襲警者須受的懲罰定爲強制監禁。
Athletes must undergo a mandatory drugs test before competing in the championship.運動員在錦標賽前必須進行強制性藥檢。
In 1991, the British government made it mandatory to wear rear seat belts in cars.1991年,英國政府強制要求汽車後座乘客系安全帶。