从自助游的概念及其类型入手，指出旅游者消费需求的变迁是自助游产生的必然、深层的原因。
The change of the travelers desire is natural and the reason of emerging of independent travel from the concept and type of independent travel.
从自助游的概念及其类型入手，指出旅游者消费需求的变迁是自助游产生的必然、深层的原因。
The change of the travelers desire is natural and the reason of emerging of independent travel from the concept and type of independent travel.
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