来来往往几轮谈判，终于达成一致、可以签订合同了，但也可能其中一方会再提出修改。比如下面的对话：
(1)
A: Is the contract all right now?
合同现在这样可以了吧？
B: I think we need to discuss the fifth clause.
我想第5条需要讨论一下。
A: Would you like to do that now?
你要现在就讨论吗？
B: Now is as good a time as any.
就现在好了。
