短語詞組短語demand d and supply 需求demand curve and supply curve 需求曲線和供給曲線demand d and supply balance 供求平衡Excess Demand and Supply 過度需求與供給Labor Demand And Supply 勞動力供需money demand and supply 貨幣需求和貨幣供給demand and supply adjustment 電力需給調(diào)整 返回 demand and supply