So just very briefly, the courses-- each student takes four courses in the fall, four courses in the spring and then the capstone course.

简介一下课程-,每位学生秋季上四门课，春季上四门课，然后是总结性课程。

哈佛公开课 - 幸福课课程节选

So we have course one through twenty-four, although a few numbers are missing.

我们把课程从1到24进行了编号；虽然有几个号码缺失了。

MIT用数字说话 - SpeakingMax英语口语达人