例如，考虑下面一种场景：您正在为在线书籍零售商编写代码。
For example, consider the scenario in which you are writing the code for an online book retailer.
他在去年的电视采访中为电子书籍和巨型零售商以较高折扣出售纸质书的行为表示哀悼，认为“从长远看是出版业的灾难”。
In a television interview last year, he lamented that e-books and heavy discounting of printed books by big retailers were “a disaster in the long term” for the publishing industry.
像这样的商店正在在线零售商和超市所取代。在线零售商提供冷门书籍供选择，超市卖非常流行书籍的迷你版。
Such shops are being displaced by online retailers, which offer vast selections of obscure titles, and also by supermarkets, which sell a tiny selection of hugely popular books.
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