精选优质文档-倾情为你奉上A contract is an agreement when a seller or a buyer agrees completely with the terms and conditions of an offer, order or a counter-offer. n sign a contract 签合同n make / place / enter into a contract 订合同n come into effect 生效n cease to be in effect / force 失效n draw up / draft a contract 拟订合同 n be laid down in the contract 在合同中列明n be stipulated in the contract 在合同中予以规定n originals of the contract 合同正本 n copies of the contract 合同副本A Specimen