短語詞組短語Supply demand curve 供給和需求supply power curve 供電曲線supply y curve 供給曲線aggregate -supply y curve 縂供給曲線demand -and-supply-curve [經(jīng)]供需曲線Aggregate supply curve 縂供給曲線backward bending supply curve 曏後彎曲供給曲線market labor supply curve 勞動的市場供給曲線 返回 supply curve