Correct or improve the translation of the following English sent

Correct or improve the translation of the following English sentences.原文：Terms of payment are subject to agreement in each case. 译文：支付的期限受不同情况的制约。改译：
【正确答案】：

付款条件以每一项交易的协议为准。

【题目解析】：Terms of payment译为付款条件，be subject to以...为准。each case译为每一项。