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- Nowadays, English is a compulsory subject in china, and Chinese is an optional subject, I think this is a problem! 现今在中国,英语成了一门必修科目,汉语却成了一门选修科目,我想这是一个问题!
- An optional academic course or subject. 选修的科目选修课程或课题
- Other learning programmes such as civic education, drug education, environmental education, sex education and information technology education are offered on a cross-curricular basis or as separate optional subjects. 其他课程例如公民教育、药物教育、环保教育、性教育及资讯科技教育，则以跨课程方式或独立选修科目教授。
- Other learning programmes such as civic education,drug education,environmental education,sex education and information technology education are offered on a cross-curricular basis or as separate optional subjects. 其他课程例如公民教育、药物教育、环保教育、性教育及资讯科技教育，则以跨课程方式或独立选修科目教授。
- The insurance cover is optional. 保险范围可以随意选择。
- The bandits subject us to all sort of indignity. 强盗们对我们加以各种侮辱。
- A 4-speed automatic transmission is optional. 四段自动变速器是可自由选择的。
- He posed as an authority on that subject. 他以那个问题的权威自居。
- I have no pretence to be an expert on the subject. 我并不自命是这方面的专家。
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。
- The cassette player is an optional extra in this make of car. 这种型号汽车如需盒式磁带唱机费用另计。
- He do not throw much fresh light on the subject. 关于这个问题他没有提供很多新的见解。
- Sex is no longer the taboo subject it used to be. 现在不再像过去那样把性的问题视为禁区。
- I wish I could be a master of this subject. 但愿我能精通这门学科就好了。
- That's all there is to be said on the subject. 关于这问题，要说的就这么多。
- His book is the best on the subject after mine. 他的书对这一问题的论述是最好的，仅次于我的书。
- You must do it; you have little option. 你必须做,你没有选择的余地。
- It is at your option to stay or leave. 去留随你的便。
- He yapped on the subject for hours. 他就那个问题罗嗦了好几个钟头。
