![emails and regular mails英语作文]( "emails and regular mails英语作文")
- whatisthedifferencebetweenregularmailsande-mails?asweknow,regularmailshavebeenusdedforthousandsofyears,itisveryinconvenience,forittookalongtimetoreceive.besides,itcostsyousomemoney.whilee-mailsisveryconvenience,ittakeyouonlyafewsecondstoarrivetherece...
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