英語(yǔ)“買(mǎi)一送二”怎么寫(xiě)阿

buy one get two free
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買(mǎi)一送一的英文：
buy one get one free
參考例句：

"This is a good deal: Buy 1 , get 1 free."
這可是個(gè)好買(mǎi)賣(mài):買(mǎi)一送一
As a matter of fact, the salesmanship of "two for one" is a good way of advertising.
買(mǎi)一送一的推銷(xiāo)術(shù)，實(shí)際上是一種不錯(cuò)的廣告。
2 lether shoes purchased for the price of one
買(mǎi)一送一(買(mǎi)兩雙皮鞋只須付一雙價(jià)錢(qián))
During the small commodities sales exhiBition, customers who Buy one item will get another similar item free.
小商品展銷(xiāo)期間，買(mǎi)一送一，買(mǎi)啥送啥。