| 释义 |
non-mandatoryadjectiveNot required by law or mandate; voluntary: the company has a non-mandatory pension scheme...- Computer applications are incorporated into the majority of courses, with such applications being included in 79 % of the mandatory courses and 95 % of the non-mandatory courses.
- Nineteen of the 30 respondents indicated that their departments offered non-mandatory statistics courses.
- Parents have no money with which to pay the non-mandatory, quarterly "contribution" that allows the school to provide their children with the necessary extras.
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