购买费用 meaning in English

buying expenses
purchasing expense

To save the cost of the smart card reader , you can apply for a
如想节省购买费用，您可以港币$ 10
When you factor this into the analysis , software sales of the largest vendors represent around 20 percent of all buyers ' spending
如果考虑到这个因素，那么大型软件企业的销售额只占企业购买费用的20左右。
The paper is the first to integrate the problem of payingthe purchasing cost in delay to the model . it proposes inventory control modelsfor finding the optimal order policy under three rules of the delayed payment
同时,将购买费用的滞后支付首次引入到该模型,提出了在三种不同的滞后支付规则下寻求最优订货策略的库存控制模型。