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过去，“零负团费”模式迫使导游成为销售员，损害了游客体验与行业声誉。携程力推的“大团变小团”变革，通过定制游、私家团等产品，将市场导向服务与体验的竞争。
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Цены на нефть взлетели до максимума за полгода17:55
North American bird population is declining. The decline is accelerating in regions associated with intensive agriculture.