通知单

1. 我想取我的包裹。这是通知单。
   I'd like to pick up my package. This is the notice.
2. 购买委托书，订单购货的官方通知单或订货单
   An official requisition or purchase order for goods.
3. 若发票愈期未付，一张即期票据（交费通知单）便自动输出。
   A demand note is sent automatically when the invoice is overdue.

通知的英语翻译：

单的英语翻译：