翻译两行合同用居，高分追加，在线等

The contract was signed on the basis of relevant laws.The two parts must followed the rules of the contract, and any part should not change the items of the contract without the other part's permission.If the contract indeed needs to be changed, the two parts should negotiate and change it according to the original signature procedure.If the two parts cannot achieve the same opinion,the original contract should still be in valid.

after being signed according to the laws,the two sides of the contract must fully follw the stipulation, neither side is allowed to modify the contract by his own. when the contract do need to change, two sides should make agreement and change according to the programme. in the condition that two sides take different views,the contract will be validate at the same

就是说这个合同签定以后，你们两人都得尊守这个合同上的规定，哪一个都不能自己单方面的去更改合同上的规定。但是合同存在问题，确实需要更改的时候，你们两个人必须都同意。按照签这个合同的流程再签一份合同，如果你们两个人有一个不同意，还是现在手上的这个合同有效。