In practice, it is experience that airlines and MRO rely on to control purchasing cost rather than systematic solutions.In this way, it is rather difficult to control purchasing cost effectively.

• 目前,公司在实际运营中仍然主要凭经验管理来解决采购成本问题,并没有系统的解决方案,因而要做到有效地控制采购成本比较困难。