I.教学日的 By the end of the chapter,students should be able to know about how international currencies originated why there lacks currency substitution the Bretton Woods system international monetary system 约价首多大考I. 教学目的 By the end of the chapter, students should be able to know about ¾ how international currencies originated ¾ why there lacks currency substitution ¾ the Bretton Woods system ¾ international monetary system