During commercials, an overlay will appear at the bottom of the screen, prompting viewers to press a button to request a free sample or order a catalogue.
出自-2016年6月阅读原文
柯林斯高阶英汉双解学习词典释义
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目录;名录;目录簿
A catalogue is a list of things such as the goods you can buy from a particular company, the objects in a museum, or the books in a library.