您的帐单上出了个错误，多收了您120元，所以我们要写一个减额单，把这120元从帐单里扣除出来。

We made a mistake in your bill and overcharged you 120 dollars. So we had to write up an allowance slip and deduct 120 dollars from your bill.

youdao

您的帐单上出了个错误，多收了您120元，所以我们要写一个减额单，把这120元从帐单里扣除出来。

We made a mistake in your bill and overcharged you 120 dollars. So we had to write up an allowance slip and deduct 120 dollars from your bill.

youdao