cost of purchase

As an important part of the purchasing management, the supplier management is a headspring to reduce total cost of purchase and enhance core competitiveness of enterprises.

供应商管理作为采购管理的重要一环，是企业降低采购总成本，增强企业核心竞争力的源泉。

Users want Fieldbus because it meets their needs in terms of lower cost of purchase and maintenance, scalability, more management information, higher product uniformity and production flexibility.

现场总线的种种优点，如前期投入和维护的低成本，灵活的可扩展性，更多的管理信息，更高的产品一致性和灵活性等等，满足了用户需求。

The opportunity cost of apuppy includes not just the purchase price of the puppy, but also the food,veterinary bills, carpet cleaning, and the value of the time spent dealing withthe puppy.

养狗的机会成本不单单是买狗所花的费用，还包括狗粮、请兽医、清洁地毯，和花费在遛狗上的时间。