To learn more about Chinese culture, Jack has decided to take Chinese folk music as an elective course.

为了更多地了解中国文化，杰克决定选修中国民间音乐。

Most of the students of our class take Japanese as an elective course.

我们班大部分同学选修日语。

This is a free elective course.

这是一门选修的课。

May : Yes, that's the homework of my elective course.

学啊，那是我选修课的内容。

This course is a elective course for accounting majors.

本课程是会计学专业的选修课。