For example, Amazon's app lets people scan bar codes, speak into the phone or take a photo of an item to search for products.

例如亚马逊的应用程序可以让人们扫描图书的条形码，语音识别和图片搜索需要的图书产品。

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In addition, it allows your PC to speak the text as you scan it, and can also read hand-written numerals.

CNN: Pen scanner reads, translates