“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	Housing, Environment, Urban-Rural Construction housing filtering housing for all housing for low-income migrant population housing for replacement housing for the elderly Housing for the Machine Age housing-income ratio housing industrialization housing map housing model housing planning technical standards housing policy housing price housing renewal housing repair project of No.2 East Beijing Road, Shanghai housing reverse mortgage endowment insurance housing right Housing security informatization Housing security objects Housing security objects management housing security system housing set ratio housing social policy housing space property

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。