It may be that the value of Whole Foods to Amazon is not so much the 460 shops it owns, but the records of which customers have purchased what.
可能全食超市对亚马逊的价值与其说是它拥有的460家店铺,不如说是顾客购买商品的记录。
由 "that" 引导,放在系表结构 "It may be" 之后作为真正的逻辑主语(即 "that... may be")。内部包含平行结构 "not so much A, but B"。