“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	periodicity of a sequence periodicity relation periodicity theorem periodic law periodic law of elements periodic law of geographic zonation periodic maintenance periodic mapping periodic Markov chain periodic matrix periodic module periodic morphism periodic motion periodic nonlinear error periodic nonsinusoidal current circuits periodic nonstationary process periodic operation test for steam turbine periodic optimization periodic orbit periodic oscillation periodic paralysis periodic pattern periodic permanent magnetic focusing periodic perturbation periodic point

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