关联流量就是买家通过别人的商品进入到你的listing
浏览关联流量（Customers who view this item also viewed, More items to explore）
购买关联流量（FBT: Frequently bought togethe，Customers who bought this item also bought, What other items do customers buy after viewing this item?）
广告关联流量（Sponsored products related to this item）
对比关联流量（Compare to similar items <b>Similar item to consider</b>）
