![Forcenturies,theonlyformofwrittencorrespondence（通信）wast...]( "Forcenturies,theonlyformofwrittencorrespondence（通信）wast...")
- 问题详情：Forcenturies,theonlyformofwrittencorrespondence（通信）wastheletter.Letterswere,andare,sentbysomeformofpostalservice,thehistoryofwhichgoesbackalongway.Indeed,theEgyptiansbegansendinglettersfromabout2000BC,asdidtheChineseathousandyearslater. Of...
- 30027
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