Is English an optional lesson, or compulsory one?
英语是选修课还是必修的课程？
One option would be making it compulsory.
一个选择就是采取强制性措施。
Belgium is one of the few countries where voting is compulsory.
比利时是极少强制选举国家之一。
Well, this one is not compulsory. It is just suggestion.
恩，这不是强制性的。只是倡议。
Every one must receive nine years of compulsory education.
每个人都必须接受九年义务教育。
Every one must receive 9 years of compulsory education.
每个人都得接受九年的义务教育。
Russian is the one compulsory foreign language on the school curriculum.
俄语在学校课程设置中是一门必修的外语课。
Compulsory license is one of the main systems to limit patent rights.
专利强制许可制度是对专利权限制的最主要的制度。
Every one must receive 9 years of compulsory education.
每人必须接受九年的义务教育。
Every one must receive 9 years of compulsory education.
每人必须接受九年的义务教育。
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