老顾客一个都不能少在美国,感恩节时许多超市都会推出促销活动,例如,顾客在节日前一周消费达一定额度,便会获赠一只火鸡。美国一家小型超市“绿丘”却反对这种做法:因为有些顾客平时不到店里消费,感恩节前为了得到火鸡,才突然大量购物,节日过后又把商店给忘了。相较之下,有些顾客则是常常到店里消费。如果这两种顾客都一 For example, customers who receive a certain amount of spending the week before the festival will receive a free turkey. A small supermarket in the United States, Green Hill, is opposed to this approach: because some customers do not usually spend in the store, before the Thanksgiving Day in order to get the turkey, suddenly a large number of shopping, the festival after the forgotten store again. In contrast, some customers are often to the store consumption. If both customers are one