创建和下达从供应商处采购材料和服务的订单。分析供应商报价。选择最具成本效益的供应商。创建供应商特定的订单。分发它们以启动购买过程。 Creating and placing the orders for purchasing materials and services from suppliers. Analyze vendor quotes. Choose the most cost-effective vendors. Create vendor-specific orders. Distribute them in order to initiate the purchasing process.