单词	一卷底片
释义	一卷底片 a roll of film
随便看	economics of environmental ecology economics of environmental management economics of environmental resource economics of exploitation economics of finance and trade economics of fishery economics of fishery management economics of flood control economics of forestry economics of frequency economics of growth economics of happiness Economics of Higher Education economics of human capital economics of human resources Economics of Imperfect Competition economics of industry economics of inequality economics of information Economics of Information economics of information processing economics of innovation Economics of Innovation and Growth economics of insurance economics of integration