在商务英语语境中，变更交货时间需要措辞严谨、礼貌且清晰地阐述原因、新时间等关键要素，从委婉协商、诚恳说明、正式通知等角度为你构思表达方式：
- 委婉协商
- Wearewritingtohumblyrequestapossibleadjustmenttothedeliverytime.Duetounforeseenlogisticalchallenges,wewonderifitwouldbeacceptabletoshiftthedeliverydatefrom[originaldate]to[newdate].Yourunderstandingandcooperationinthismatterwouldbehighlyappreciated.
- Wesincerelyapologizefortheinconvenience,butcouldwekindlydiscussthepossibilityofchangingthedeliveryschedule?Someunexpectedcircumstanceshaveemerged,andweproposemovingthedeliveryto[newtime].Yourthoughtsonthisadjustmentaremostwelcome.
- Wedeeplyregrettoinformyouthatweneedtochangethedeliverytime.Therehasbeenadelayinthemanufacturingprocessbecauseof[specificreason,e.g.,shortageofrawmaterials].Asaresult,thenewdeliverytimewillbe[newdate].Wearedoingeverythinginourpowertominimizetheimpactonyourbusiness.
- Pleaseacceptoursincereapologiesforthenecessityofalteringthedeliverytime.Anunforeseenissuewithourshippingpartnerhasoccurred.Insteadoftheinitiallyagreed[originaltime],thegoodswillbedeliveredon[newtime].Wewillkeepyouupdatedontheprogress.
- Thisistoofficiallynotifyyouthatthedeliverytimehasbeenchanged.Owingto[reason,suchasasuddenchangeincustomsregulations],thenewdeliverydateissetas[newdate].Wehaveattachedareviseddeliveryscheduleforyourreference.
- Wearewritingtoinformyouthat,dueto[detailedreason,likeamajorequipmentbreakdowninourfactory],thedeliverytimehasbeenadjusted.Thegoodswillnowbedeliveredon[newtime].Restassured,wearetakingallmeasurestoensureasmoothdeliveryaccordingtothenewschedule.