第一句：After studying your draft contract we found it necessary to make a few changes.

认真研究了你们的合同样本后，我们认为有必要做一些改动。

A: Since both of us are in agreement on all the terms, shall we sign the contract now?

既然我们对所有条款都达成一致，我们可以签合同吗？

B: After studying your draft contract we found it necessary to make a few changes.

认真研究了你们的合同样本后，我们认为有必要做一些改动。

第二句：If any other clause in this contract is in conflict with the supplementary conditions, the supplementary conditions should be taken as final and blinding.

如果合同中的条款和补充条款冲突，应遵守补充条款。

A: If any other clause in this contract is in conflict with the supplementary conditions, the supplementary conditions should be taken as final and blinding.

如果合同中的条款和补充条款冲突，应遵守补充条款。

B: Yes. We do agree with you.

是的。我们完全同意。

A: But it hasn’t been written into the contract.

但是这一点还没有写到合同里。

其他表达法：

We think it is necessary to include a force clause in this contract.

我们认为合同中有必要加入强制性条款。

We think your contract needs some modification.

我们认为贵方拟定的合同需要做些修改。

（实习编辑：于晓伟）