1、 That’s international practice. We can’t break it.这是国际惯例，我们不能违背。

2、 We are prepared to reconsider amending the contract.我们可以重新考虑修改合同。

3、 We’ll have to discuss about the total contract price.我们不得不讨论一下合同的总价格问题。

4、 Do you think the method of payment is OK for you? 你们认为结算方式合适吗?

5、 We are really glad to see you so constructive in helping settle the problems as regards the signing of the contract.我们很高兴您在解决有关合同的问题上如此具有建设性。