There was an error in this water bill, so we need a refund for any overpayment or a supplemental payment for any deficiency.

这次水费账单有误，我们需要多退少补。

He paid the water bill last month.

他上个月付了水费。

Taylor: There are. I pay a gas bill, a water bill and a cable bill.

泰勒：的确。我要付燃气费、水费和有线电视费。

That will save a lot of money on my water bill.

那样一来可以省下我不少水费.