[主观题]Rent, economic(or pure economic rent) 经济租或纯经济租
[名词解释] Rent, economic(or pure economic rent) 经济租或纯经济租
[试题]E.conomic growth 经济增长
[主观题]经济资源(Economic resource)
[主观题]E.conomic surplus 经济剩余
[主观题]E.conomic goods 经济物品
[主观题]经济效率(Economic efficiency)