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同时，随着“大团变小团”趋势的深入，携程平台上二线及以下城市注册地的旅行社已有2548家，占比高达72.8%，这意味着更多的旅游收入留在了下沉市场本地，而非被一线城市的大批发商抽走。
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The "forever chemical" PFOS accumulates in honeybee colonies and transfers to their honey. New research shows chronic exposure leads to lower body weight in juvenile bees and disrupts key proteins, potentially threatening global pollination, food security, and human health.
Фото: Willy Vanderperre / Harper's Bazaar France