Buy two get one free是买2送1的意思还是买1送1啊?

Buy two get one free是买2送1的意思还是买1送1啊? Buy One,Get One Free!啥意思 buy for one get one free啥意思? “Do you know you can buy two pairs of jeans get one free in 靓女跑去问上帝：buy one get one free是英语吗?上帝 这个星期天去书店买书,买2本还是1本啊? 德力西漏电开关是买1p的好还是2p的好 Buy-One-Get-One- 用便字组2个词,1个是要有攻击的意思,另一个是要有买的意思! How about buy one and get one free?买一送一怎么样?在大学阶段 是否有语法错误 用8元钱可以买1个笔盒,用买1个笔盒的钱可以买2个笔袋,买一个笔袋的钱可以买4本本子,1本本是多少钱? one in two hundred的意思是2百分之一?