Some are already trying to get ahead: Ralphs, a chain owned by Kroger, recently opened a new store in Irvine, California, as part of a concept it calls Fresh Fare.

• 有些已经开始赶超了：Ralphs，一家Kroger拥有的连锁店，最近在加州Irvine新开一家店，作为其称为FreshFare概念的一部分。