Once upon a time, companies simply made new products and sold them. In due course, they made them, advertised them to buyers and then sold them. Now, publicity frequently comes before the sale, the production and sometimes even the design of the item, with what modern marketers like to call a “pre-announcement”.
很久以前，企業只是簡單地生產新產品并進行銷售。隨著商業的發展，逐漸過渡到企業先生產商品，接著通過廣告向消費者介紹商品，然后再進行銷售。現如今，宣傳推廣常常在產品進入銷售環節、生產環節、有時甚至是設計環節之前就已鋪開，現代市場營銷人士喜歡將其稱作產品“預發布”。
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