英语翻译

英语翻译
In case of discrepancies between this contract and our proposal the wording of this contract shall prevail with all other provisions being made there still being valid.
中文应该怎么翻译?
The contract is made in four copies in English language only.Each Party keeps an original one,with two being filed with real estate authorities.这句呢？
此合同一式四份，英文为唯一合法语言。双方各执一份原始合同，后面不太会翻译