It is unnecessary to dwell on the melancholy economomical history of the Roman empire. 這里沒(méi)有必要詳細講述羅馬帝國悲慘的經(jīng)濟史。
Since the Cliometric revolution, theory has been a necessary part of a study of economic history. 摘要從新經(jīng)濟史革命以來(lái),經(jīng)濟史研究不可缺少經(jīng)濟理論作為分析的基礎。