据权威统计资料显示：截止2009年底，网上旅游预订使用率的年增幅很高，发展趋势势不可挡。
According to authoritative statistics: By the end of 2009, the annual growth rate of Online travel booking is high, and the development trend is irresistible.
据权威统计资料显示：截止2009年底，网上旅游预订使用率的年增幅很高，发展趋势势不可挡。
According to authoritative statistics: By the end of 2009, the annual growth rate of Online travel booking is high, and the development trend is irresistible.
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