片语
production possibility boundary生产可能性边界
Production-possibility frontier[经] 生产可能性边界
Intertemporal production possibility frontier跨代消费可能曲线
production possibility bolck生产可能性方块
Production Possibility Curves可能性曲线
Production Possibility Set生产可能集合
production n possibility curve生产可能性曲线
the production possibility frontier生产的可能性边界