FORLORN shop facing a dusty car park in one of the poorest parts of Phoenix, Arizona, is an inauspicious place to start a closely watched experiment in global retailing.

• 似乎，把全球零售业的近距离观察试验，放到亚利桑那州凤凰城中最穷的地区，一个门口有着脏兮兮的停车场脏且人迹罕至的超市里，不是一个成功的好兆头。