delivery 快递/外卖
deliver goods 递送货物
deliver a message 传送消息
deliver food 送餐
delivery guy 快递小哥/外卖小哥
You can expect your delivery in 2 to 3 days.
大概两到三天你会收到你的快递。

寄快递
courier service 快递服务
courier company 快递公司
envelope and courier box
信封和快递盒子
tracking number 物流单号
Hey! Can you give me the tracking number!
嘿！能把物流单号发我一下吗！

支付快递费
fee 快递费
sender billing 预先付款
third-party / receiver billing 货到付款
Can you charge this as a receiver billing?
这个可以货到付款吗？

收快递
package/parcel 包裹
delivery locker 快递柜
#1 The package is in Chengdu now. It will arrive in 2 days.
包裹已经到成都了。两天就会到。

deliver其他表达
deliver = giving birth 分娩
deliver a baby 生孩子
the delivery room 产房