Since customers using shopping carts tend to buy more than those without shopping carts, most of these stores are experiencing strong sales growth, while most other department stores are not.

由于使用购物车的顾客往往比没有购物车的顾客买得更多，因此这些商店中的大多数都经历了强劲的销售增长的过程，而其他大多数百货商店则没有。