三、人类社会的基本经济问题 (一)生产可能性 the Production Possibility What is the production possibility curve? A curve showing all the possible combinations of two goods that a country can produce within a specified time period with all its resources fully and efficiently employed.（一）生产可能性 the Production Possibility What is the production possibility curve? A curve showing all the possible combinations of two goods that a country can produce within a specified time period with all its resources fully and efficiently employed. 三、人类社会的基本经济问题