合同用语：

    销售合同 sales contract
    格式合同 model contract
    意向协议书 agreement of intent
    意向书 letter of intent
    空白格式 blank form
    授权书 power of attorney
    换文 exchange of letter
    备忘录 memorandum
    合同条款 contract terms
    免责条款 escape clause

    原文 original text
    译文 version
    措辞 wording正本 original
    副本 copy附录 attachment
    附件 appendix
    会签 to counter-sign
    违反合同 breach of contract修
    改合同 amendment of contract
    撤销合同 cancellation of contract
    合同的续订 renewal of contract
    合同的解释 interpretation of contact
    合同到期 expiration of contract

    起草合同 to draft a contract
    做出合同 to work out a contract
    谈妥合同 to fix up a contract
    签订合同 to sign a contract
    缔结合同 to conclude a contract
    草签合同 to initial a contract
    废除合同 to annul a contract
    执行合同 to perform a contract

    严格遵守合同条款 to keep strictly to the terms of the contract
    一式二份 in duplicate
    一式三份 in triplicate
    一式四份 in quadruplicate