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Internet bookselling has been hampered by relatively low levels of broadband penetration and poor postal services .

网络书籍销售一直因宽带普及率偏低和邮递业务不发达而受到限制。

The story turns on whether broader changes in bookselling will stifle literature .

故事发展成售书业的变化日益扩大，它是否会扼杀文学这一问题。

Gizmos such as these are the likeliest heroes of the next chapter of electronic bookselling .

像这样的小玩意儿最有可能成为电子书销售下一个篇章的主角。