9. Every product purchased from us is delivered quickly to your door, sometimes in less than 24 hours.
凡购买我公司的商品均可快速送货上门，有时会在24小时之内送达。
还能这样说：
All goods bought from us can be delivered as soon as possible, sometimes in less than 24 hours.
If you buy products from our company, we can offer quick delivery, sometimes in 24 hours.
10. The goods are delivered free of charge within the city limits.
市区免费送货上门。
还能这样说：
If your home is in the city, we can provide free delivery.
We won't charge money if the goods are delivered to the areas within the city.
应用解析：
be the limit 太过分了；
go beyond/over the limit 超过限度；
off limits 禁止入内；
without limit 无限制的；
the frozen limit 忍耐的极点，达到无法容忍的地步
11. Do you offer intercity delivery?
你们提供城市间的送货吗？
还能这样说：
Is intercity delivery available?
Can I get intercity delivery?
12. To save customer's time, we begin a delivery service.
为了节省顾客时间，我们实行送货上门。
还能这样说：
We have a delivery service to save the customer's time.
We provide delivery service in order to save time for the customers.
应用解析：
a cool customer 又大胆又冷静的人；厚脸皮的人；
a queer customer 怪人；
hot customer 脾气暴躁的家伙；
slippery customer 狡猾的无赖汉；
ugly customer 难对付的家伙
13. We can deliver the goods to your house.
我们可以送货上门。
还能这样说：
The goods can be delivered to your door.
We can sell the goods to your door.
谚语：
An open door may tempt a saint.
门户不关紧，圣贤起贼心。