剑桥词典informal a short film made to advertise a product , especially a pop song （尤指現代流行音樂唱片的）廣告片 US an advertisement , broadcast announcement , or discussion with a writer , film producer , actor , etc., designed to give attention to a book or film in order to increase sales （爲增加書或電影的銷量而設計的）廣告宣傳 返回 promo