n.多付，超付，逾额付款

The customer accidentally overpaid for the purchase, so they requested a refund.
顾客不小心多付了购买款项，所以他们要求退款。
I was grateful for the company's policy of issuing an immediate credit for overpayments.
我很感激公司对于超额付款的政策，会立即退还多余金额。
She realized she had made an overpayment on her rent, so she contacted the landlord to adjust it.
她发现房租支付多了，于是联系房东调整。
In an effort to avoid bank fees, he intentionally underpaid and asked for an overpayment next month.
为了避开银行费用，他故意少付一些，打算下个月补足。
After finding out about the error in billing, the customer made an overpayment to correct the discrepancy.
客户在发现账单错误后，进行了超额付款以纠正差额。
The employer reimbursed the employee for the overpayment made on their business trip expenses.
雇主为员工在商务旅行中多出的花费进行了报销。
The company credited the customer's account for the overpayment they made on their online order.
公司对客户在线订单中多付的部分退还到了他们的账户。
They agreed to split the overpayment evenly among themselves after discovering they had both paid extra.
在发现两人均多付了钱后，他们决定平均分担这笔超额费用。
The contractor was grateful for the client's generosity in allowing him to keep the overpayment as a bonus.
承包商很感激客户大方地让他保留超额支付作为额外奖金。
If you receive an overpayment from your employer, make sure to report it promptly to avoid tax issues.
如果你收到雇主的超额付款，记得尽快报告，以免引发税务问题。