每天三分鐘學英語 第57期:英文"買二送一"怎麼說? 本文已影響 6.3K人 ① a 10 percent discount② a 20 percent discount③ half off④ up to 70% off⑤ buy one get one freepadding-bottom: 56.21%;">⑥ buy one get one half off⑦ buy two get one⑧ buy three get one⑨ 2 for 1新浪微博 @意趣英語 公衆微信YiQuEnglish