In math, online books tend to render formulas badly.

在数学领域，网络图书会把方程序弄得一团糟。

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So the commercial prospects for sellers of online books do not yet look very bright.

因此，到目前为止那些在线书籍销售者的商业前景依然不是十分的明朗。

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Created in 2006, WOWIO is quickly gaining attention as one of the few legal sources of high-quality, copyrighted online books.

创建于2006年的WOWIO作为少数几个合法提供高质量、有版权的网上图书网站正快速地引起关注。

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And he found that cities with well-used libraries also have greater numbers of people who buy books online.

VOA: special.2009.03.27

E-books are quite cheaper online than hardcopy books so,

在线电子书比纸质书便宜不少，

音乐市场的变化 - SpeakingMax英语口语达人

Amazon, everybody buys books online now.

现在人人都在网上买书。

美国的出版市场 - SpeakingMax英语口语达人

Online books didn't work out too well, but O'Reilly had the idea of putting Internet kiosks in bookstores as a way of promoting the Whole Internet User's Guide and Catalog.

FORBES: Calliope's revenge

The Florida retiree banks online, files taxes online, books travel online and views football games on his computer while watching another game on TV.

FORBES: Magazine Article

Instead of purchasing e-books through a single online store to read only on compatible software (i.e. books bought from the Kindle Store can only be read on Kindle apps), Google lets consumers buy books either from its store or any other online vendor that sells books in EPUB and PDF formats, and read them on any device with a web browser.

FORBES: Google's E-bookstore Has Arrived