production possibilities是什么?

the production possibilities frontier 经济学 what is a production possibilities frontier? the production possibilities frontier is a graph showing the 求原理The figure above shows the production possibilities front How does a production possibilities curve illusurtrate oppor 经济学问题,原理The figure above shows the production possibilities "translation production assistant"是什么 production possibility是什么? Production Leader 是什么? production possibility curve是什么? Production Production supervisors 是什么意思,简写是什么?