ecotourism system
短語詞組
- ecotourism region system 生態(tài)旅游地域系統(tǒng)
- ecotourism destination system 旅游地域系統(tǒng)
- ecotourism system carrying capacity 生態(tài)旅游系統(tǒng)承載力
- ecotourism system management 生態(tài)旅游系統(tǒng)管理
- damaged ecotourism system 受損生態(tài)旅游系統(tǒng)
- the harmony of ecotourism system 生態(tài)旅游系統(tǒng)的和諧性 返回 ecotourism system