- 问题详情:Mostpeoplethinkaboutdonatingblood.However.Veryfewactuallvdoit.Eventhemostconsistentonesdonateanaverageofjustthreetofourtimesduringtheirlifetime.NowtheofficialsinSwedenaretryingtochangethetrendwiththehelpofmodern-daytechnology. Theencoura...
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