Jan-Benedict Steenkamp, a marketing expert at the University of North Carolina, estimates that the share of private-label goods is now 20% at Wal-Mart and 35% at Kroger, two huge American retailers.

• 根据UniversityofNorthCarolina的市场推广专家Jan-BenedictSteenkamp估算，美国两大零售商Walmart(沃尔玛)和Kroger的自有品牌产品比例已经分别上升到20%25和35%25之多。