- 问题详情:Ifyou’retravelingthisholidayseason,you’llbedoingalotofstandingaround.Whetherit’sstandinginanairportsecuritylineorwaitingatacrowdedgate,itwouldbenicetotakealoadoff.Betteryet,pullinga“seat”outofyourbackpocketsoundsprettyconvenient.TheDanis...
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