“Zero and negative tour expense”的概念、定义、翻译、参考文献-科学参考

单词	Zero and negative tour expense
释义	Zero and negative tour expense Encyclopedia 管理学旅行社释 Zero and negative tour expense零负团费地接社不向组团社收取旅游消费者在旅游目的地的接待费用，或者倒向组团社支付一定的费用，通过旅游消费者在旅游目的地的购物、自费项目等收入来弥补团费差失并获取利润的一种经营模式。
随便看	heavy liquid separation heavy load pavement heavy maintenance heavy media heavy-media separation equipment heavy-media separator heavy-medium cyclone heavy-medium vibrating chute heavy meson heavy metal heavy metal contamination of fisheries environment heavy metal elements measurements heavy metal in aquatic food heavy metal ion adsorbent heavy-metal ions absorbent fiber heavy metal measurement by laser-induced breakdown spectroscopy heavy metal pollutants poisoning heavy metal removal technology heavy metals heavy metal solidification agent of soil heavy metal star heavy metal stress heavy metals wastewater heavy metal tolerance of plants heavy mineral concentrates geochemical survey

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