sp全称为“special offer”,所以SP是优质生源推荐的意思。sp是更高级的offer。ssp的级别还要在sp之上。
相关介绍
I would like to tell you about a special offer.
我想告诉你一项特别优惠。
But every month some of the goods are on special offer.
但每个月都有一些产品打特价。
We require a special offer for the opening of our business.
由于开业之故，我们请求特殊报价。
