2018年bec初级商务英语写作：通知对方运去替代品

　　Dear Sirs,?

　　Thank you for sending us the sample of inferior goods for investigation.?

　　We have passed these on to the production department for comment.Evidently through an oversight，some wrong goods were mixed in your consignment.?

　　We have arranged for immediate dispatch of replacements.?　　?

　　Yours,