短語詞組短語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