帮我回答一个英语问题
问题描述：
帮我回答一个英语问题
Why should a written contract he signed although the seller and the buyer have reached an agreement through negotiation?
不是，打错了，应该是Why should a written contract be signed although the seller and the buyer have reached an agreement through negotiation?
答
如果买家和卖家已经通过谈判达成了协议,为什么还需要签合同?怎样用英语回答这个问题？It will give both parties a written agreement for official documentation.