作为自助旅游的主要形式之一，背包旅游如今已经成为许多年轻的户外运动爱好者节假日外出旅行的首要选择。
As a major form of budget traveling, backpacking is becoming more and more popular and it also has been the first choice for the young during their holidays.
作为自助旅游的主要形式之一，背包旅游如今已经成为许多年轻的户外运动爱好者节假日外出旅行的首要选择。
As a major form of budget traveling, backpacking is becoming more and more popular and it also has been the first choice for the young during their holidays.
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