Such profiles, which hoteliers regard as trade secrets, are especially prized in the market for luxury hotels, the industry's most lucrative and competitive segment.
诸如上述的概况，酒店人员认为是交易秘密，尤其是在奢侈酒店市场领域尤其珍贵，而这一另一是酒店业中最赚钱和最具竞争力的子行业。
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