According to the common market law and actual situation, the enterprise should adopt various methods in different period to purchase goods and materials so as to reduce the purchase cost.
通过对市场供需一般规律的理解，结合物资市场的实际情况，分析了企业在市场的不同时期，采取不同的方法以达到降低采购成本的目的。
The library should adopt various methods to do well the work of serving the readers under new situation.
新形势下图书馆应采取多种方式，做好读者服务工作。
The library should adopt various methods to do well the work of serving the readers under new situation.
新形势下图书馆应采取多种方式，做好读者服务工作。
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