agree to disagree： 同意讨论某事但保留己见

e.g. We have accopmlished nothing except that we agree to disagree.

我们除了泛泛而谈、各执一词外，任何协议都没有达成。

e.g. The two political parties agreed to disagree in 1971, and that was the last agreeable thing either one of them did.

1971年，两党谈判，但各自保留自己的政见；这正是双方所能做的最后一致的事情。