任圣皮说她不知道亚马逊的折扣是多少，也不知道是否电子书和有声书的销量是否大(当然这些数字有人在密切跟进)。
Rentzenbrink says she does not know its Amazon discount, or if there's a significant ebook and audiobook sale. (Those figures are closely guarded.)
你可以按作者或书名字母顺序来查看电子书列表，有声书同时也有多种语言版本。
You can go through the list alphabetically for author and title. Audio books are also available in a number of languages.
人们可以把有声书和电子书下载到电子词典里，这进一步凸显了电子词典的优越性。
The fact that one can also download audio or electronic books onto an electronic dictionary consolidates its superiority.
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