n.經(jīng)濟(jì)學(xué)

She is studying economics at college. 她在大學(xué)里讀經(jīng)濟(jì)學(xué)。

A knowledge of economics is fundamental to any understanding of this problem. 經(jīng)濟(jì)知識對于理解這個問題是至關(guān)重要的。

economics作“經(jīng)濟(jì)學(xué)”解作主語時,其謂語動詞用單數(shù)。

n.微觀經(jīng)濟(jì)學(xué)

n.宏觀經(jīng)濟(jì)學(xué)

n.宏觀經(jīng)濟(jì)學(xué)

n.微觀經(jīng)濟(jì)學(xué)