要点信函功能：The functions of a business letter may be said to be1to ask for or to convey information2to make or to accept an offer3to deal with matters concerning negotiation of businessIn addition,there are letters with no other purpose than to remind the recipient of the senders existence.用法：Esq. = Esquire 特定阶级使用头衔Esq. is legally restricted to certain classes of persons in America (e.g. judges,magistrates,barristers)For addressing a sigle person Mr. or Esq. is used in England.
