department of agricultural economics的用法和樣例：
例句
- She was professor of economics at Yale University.
他過(guò)去曾經(jīng)是耶魯大學(xué)經(jīng)濟系的教授。 - Every first-year economics student learns the conditions for an unregulated market, in theory, to function efficiently.
每個(gè)經(jīng)濟系的大一學(xué)生都會(huì )學(xué)到，在理論上，一個(gè)不受監管的市場(chǎng)需要哪些條件才能有效運轉。
