“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	celestial thermal background celestial ultra-violet telescope celestial UV telescope celestial X-ray source celestial γ-ray source celestite celibacy rate Celine celioscope cell cell activity measurement cell adhesion cell adhesion molecule cell adhesion molecules cell aggregation cell aging cell aging; cell senescence cell analysis cell apoptosis Cellar of Buddhist Statues at Longxing Temple cellar statues at Qingzhou Longxing Temple cell-based biosensor cell-based biosensors cell bath cell biology

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