When another order comes in with some critical information missing, the clerk can go ahead and process it, remembering to acquire and record the information later. This flexibility is usually absent from automated systems.

• 当另一个订单缺失一些关键信息时，职员也可以继续处理它并记住以后获取和记录这些信息，这种灵活性是自动系统所缺乏的。