- 问题详情:TheOriginofChristmasSinceabout400AD,Christmasdayhasbeencelebratedon25thDecember.Thisdatewastheoldmid-winterfestivalinpre-Christiantimes,aroundthetimeofthelongestnightandtheshortestday.Christmasinthe21stcenturyhasmanytraditions:Christmaspresen...
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