协议规定了项目的付款时间表。

The agreement stipulated a payment schedule for the project.

余额付款时间

Payment time of the payable balance

病人：恐怕这样很贵吧。您这里的病人付款是怎么付的，我可以把付款时间拉长一些吗？

Patient: I think that this will be very expensive. How would you like me to pay my bill? May I pay my bill over a period of time?

最初我想会 稍微增加最糟糕情况下的付款时间。

I would initially expect slightly worst checkout times. The reality is different