delivery main

例句：

1. 1. The delivery man arrived on time and delivered the package to my house.
   送货员准时到达并将包裹送到我家。
2. 2.The delivery person was very helpful and made sure everything was in order.
   送货员非常乐于助人，并确保一切都井然有序。
3. 3.The delivery person asked for my signature before leaving the package at my door.
   送货员在我家门口留下包裹前要求我签名。