understanding economics的意思|示意

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

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。

A true understanding of climate change, for instance, requires a knowledge of meteorology, chemistry, economics and law, among many other things.

例如，对于气候变化的深入了解需要气象学、化学、经济学和法学等等相关知识。

They also lack an understanding of elementary economics.

他们也缺乏对基本经济学的理解。