题目

英语翻译
原文：Burt and Sparks (人名)suggest that successful retailers have developed their own brand strategies from first generation generics to highly sophisticated extensions of the corporate brand in terms of image and values.An important feature of British fashion retailing is the extent to which leading fashion retailers either exclusively or predominantly sell products marketed under their own name.
总共两句,望讲解第二句从句部分的成份

提问时间：2021-03-22

答案