26. All in all, this clearly seems to be a market in which big retailers could profitably apply their gigantic scale, existing infrastructure, and proven skills in the management of product ranges, logistics and marketing intelligence.

【分析】复合句。句子主干为 this clearly seems to be a market。in which 引导定语从句修饰 market;从句中主语为 big retailers，谓语为 could profitably apply，宾语为三个并列成分；their gigantic scale, existing infrastructure 和 proven skills。in the management of...作 proven skills 的后置定语。

27. Big retailers must understand these differences before they can identify the segments of European wholesaling in which their particular abilities might unseat smaller but entrenched competitors.

【分析】多重复合句。句子主干为 Big retailers must understand these differences。before 引导时间状语从句，其中又包含 which 引导的定语从句修饰 the segments of European wholesaling。

【译文】大型零售商必须了解这些差异，之后才能够识别欧洲的批发行业，它们独特的能力也许会在这一行业中打败规模较小但牢固占有市场的竞争对手。