economicsKK [ˏɛkəˋnɑmɪks] /ˌɛkəˈnɑmɪks/名詞1經濟學視為單數She studied economics before moving into public policy.她先念經濟學,後來才轉入公共政策領域。2經濟效益、成本效益、財務面視為複數The economics of building a new factory simply don't work.蓋新工廠的經濟效益根本划不來。