| 1. | Therefore , economic theory and actual costs is the most core economic activities , from the classical economists , until modern economists , management scientists to study the issue of production costs has never ceased
所以,成本问题是经济理论与实际经济活动中最为核心的问题,从古典经济学家开始,直到现代经济学家、管理学家对生产成本问题的研究从来都没有停止过。 |
