浅浅浅浅灰
DearManager,IventuretowritetocomplainaboutthequalityofthedigitalcameraIboughtlastFridayatyourstore.Duringthefivedaysthecamerahasbeeninmypossession,problemshaveemergedoneafteranother.Foronething,thescreenisalwaysblack,makingthecameranodifferentfromatraditionalone.Foranother,thebatteryisdistressingasitsupportsthecamera’soperationforonlytwohours.Therefore,Iwishtodeclarearefund.Iwillappreciateitifmyproblemreceivesdueattention.Yours,LiMing希望对你有帮助其实此类型信注意开头的句子和结尾句的语气中肯最为关键