可以肯定的是，官方的统计将沃尔玛等主要传统零售商的线上销售与流动餐车类的“非商店零售商”搞混了，可能掩盖了单个零售类别的重大变化。
It is certain that the Census procedures , which lump the online sales of major traditional retailers like Walmart with " non-store retailers " like food trucks , can mask major changes in individual retail categories .
非商店零售商