【多选题】旅游产业的纵向结构主要包括哪些企业上下链的经济关系( ) The economic relations between the upper and lower chains( 上下链 ) of enterprise in the vertical structure of tourism industry mainly includes ( )
A.
企业的内部组织关系 Internal organizational relationships of an enterprise.
B.
企业内部的团队关系 Team relationships within an enterprise.