卡尔

Makes delicious espressos, cappuccinos, and lattes.

让美味的浓缩咖啡，热牛奶咖啡，和拿铁。

On this base, the paper brings in the concept of ecotourism cultural system, which includes the two subsystems of eco-harmonious subsystem of the tourism sites and the other subsystem presenting the cognation and perception of visitors to the destinations.

通过该研究的归总以期推进研究者和管理者对生态旅游文化构成的探讨，将学术界和非学术界对生态旅游的观点相互结合并促使生态旅游实现真正意义上的可持续发展。