開かい発はつ経けい済ざい学がくかいはつけいざいがくMeanings1noundevelopment economicsAcademic field studying economic development, especially in low-income countries.彼かれは大だい学がくで開かい発はつ経けい済ざい学がくを専せん攻こうしている。He is majoring in development economics at university.
