buy one get one free
中文释义
买一送一，促销活动。
A promotion where you receive an extra item for free.
常用搭配
- a buy-one-get-one deal买一送一
- two for the price of one一份钱两件
- a BOGO offer买赠优惠
例句
- The socks are buy one get one free.袜子买一送一。
- We ran a buy one get one free promo last week.上周我们做了买一送一活动。