compulsory class的用法和样例：
例句
- Econometrics is not a prerequisite for this class, but you will be expected to be willing to familiarize yourself with basic econometric methods.
计量经济学虽然不是本课程的先修课程，但是希望你能够熟悉基本的计量经济学方法。
compulsory class的相关资料：
临近单词
compulsory pay
compulsory
compulsory educational system
compulsory purchase procedure
compulsory physical education
compulsory health examination
compulsory renewal conclusion
compulsory maintenance system
compulsory system vicissitude
compulsory acquisition of land
compulsory liability insurance
compulsory genetic counselling
