我学经济学专业。

I'm in economics major.

youdao

我认为人口统计学是与经济学相关的核心学科。

I see demography as a central subject related to economics.

youdao

我上完植物学课后直接去上经济学课，不过这对于我理解这两门科目都毫无帮助。

I went to the economics class straight from the botany class, which didn't help me any in understanding either subject.

youdao

Well, I'm intending to do Economics

我打算学经济学。

英国的高考 - SpeakingMax英语口语达人