将有关销售订单的所有信息收集到一个索引中。创建所有销售订单的目录，无论是打开的还是已完成的。跟踪订购的产品/服务、订购的数量、订购者、交货日期、运输方式、单价和行总计、付款条件以及应用的任何折扣。 Gathering all information about sales orders into an index. Create a directory of all sales orders, whether open or those which have been fulfilled. Track what product/service was ordered, the quantity ordered, who ordered it, the delivery date, the shipping method, the unit price and line total, payment terms, and any discount applied.