七天內請繳清
Dear Mrs. Verlander,
親愛的維蘭德小姐：
We regret to inform you that the attached invoice has unfortunately become overdue for payment.
很遺憾地通知您如附件所示之費用清單的繳款期限已經逾期，
regret to+RV遺憾inform(v.)通知attached(adj.)附件的=enclosed、attach(v.)附件、attachment(n.)附件invoice(n.)費用清單unfortunately不幸地、fortunately幸運地
This amount has now been outstanding for more than thirty days.
繳清費用的期限已經遲了三十天，
amount(n.)金額outstanding(adj.)未支付的、傑出的、outstanding debts拖欠債務more than超過現在完成式
As we’ve already sent several friendly reminders regarding the matter, in order to avoid the unnecessary internal cost and any potential misunderstanding, we are requesting that the payment be made within the next seven days.
由於我方先前已經寄出多封催繳信函，為了避免不必要的內部支出和潛在的誤會，希望貴公司能在收到這封信的七天內繳清這筆費用。
as(conj.)由於friendly reminder善意提醒信avoid(v.)避免unnecessary(adj.)不必要的、necessary(adj.)必要的internal cost內部支出、external外部的potential(adj.)潛在的misunderstanding誤解request(v.)要求
Please understand that fulfilling your responsibility of making payments within the agreed period of time is crucial not only to the success of our partnership, but also to ensure the possibility of carrying on our future cooperation.
請了解按時付清款項對我們雙方的合作關係及日後繼續合作的可能性都至關重要，
fulfill responsibility of sth.完成責任within在什麼之內(時間、範圍)agreed(adj.)同意好的crucial=important=vital重要的ensure(v.)確保possibility(n.)可能性carry on繼續進行
If your company once again fails to process the payment, we will be forced to pursue legal action against you.
若貴公司再次無法在時間內完成付款，我方將被迫訴諸法律途徑。
once again再一次fail to+RV 失敗去做什麼process(v., n.)處理、程序force to+RV強迫去、這裡為被動pursue(v.)追查、追捕、legal action法律手段=take legal action、take the matter to courtagainst(prep.)對上、雙方的狀態
We hope to hear from you as soon as possible.
希望盡快收到您的答覆，
as soon as possible=ASAP越快越好
Please note that this is a matter of priority to be dealt with on our side.
還請理解我們已將此案列為優先處理事項。
note(v., n.)注意、筆記matter(n.)事情、What’s the matter?怎麼了priority(n.)當務之急、prioritize(v.)當成當務之急、prior(adj.)在前的deal with=cope with=handle處理、deal-dealt-dealt
Sincerely yours,
誠摯地
sincerely(adv.)誠摯地、sincere(adj.)真誠的
Justin Hartley
賈斯汀‧哈特利
Account Executive
專案執行
專案執行、executive執行者
Wernham Corp.
溫翰公司集團
corporation(n.)公司集團