好的。我修了40多门课，包括微观经济学，市场原理，销售管理等。

Ok. I took more than 40 courses, including microeconomics, marketing principles, sales management, and so on.

youdao

大学期间我修了50多门课程，包括微观经济学、宏观经济学、市场原理、销售管理、统计学等。

I take more than 50 courses in university, including microeconomics, macroeconomics, marketing principles, sales management, statistics, and so on.

youdao

他旁听的课程包括计算机科学、新闻学以及微观经济学。

Classes he has attended include computer science, journalism and microeconomics.

youdao