QR codes are very common these days, providing people with a convenient way to share information. These black-and-white squares are widely used in restaurants and stores, as well as on all kinds of print advertisements. The QR code is short for “Quick Response Code,” and these simple codes have become a useful tool in the smartphone era. The QR code was released in 1994 by a Japanese company called Denso Wave. However, the research that went into the QR code’s development dates back to the 1960s.
如今，行动条码非常普遍，提供人们一种便捷的方式来分享资讯。这些黑白方块广泛地被应用在餐厅和商店中以及各种平面广告上。QR code 是 Quick Response Code 的缩写，这些简单的程式码已成为智慧型手机时代的实用工具。行动条码是由一家名为 Denso Wave 的日本公司于 1994 年推出。然而，投入于行动条码开发的研究可以追溯至 1960 年代。
生活必备字词：
advertisement n. 广告（常缩写为 ad）
be short for... 是……的缩写
era n. 时代，年代
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本文节录自《常春藤生活英语》杂志，完整内容请见四月号。
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