- 问题详情:Alongflightcanaffectone’sbiologicalblock,sometimesfordays.Airtravelerscangetverytiredanddevelopunpleasantfeelingswhentheyflygreatdistancesacrosstimezones.Thenaturalorderofthingscanbecomeunbalancedonlong,overseastripsfromeasttowestorfromwestt...
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