电子订货服务。用户的订单可直接输入该公司执行系统(左上);文字与电话订货由工作人员将其输入计算机系统(右上);该系统自动开列用户的发票(左中);按存货校对所要求的书名(左下);打出清单,通知何处有存货,对暂时缺货的书发预订单(右下)。 Electronic ordering service. The user’s order can be entered directly into the company’s executive system (top left); text and phone orders are entered into the computer system by the staff member (top right); the system automatically lists the user’s invoice (Bottom left); play a checklist to inform where inventory is available, pre-order books for books that are out of stock (bottom right).