"I try to make things as inexpensive as possible," said Hunt, who uses free digital textbooks for his classes but designs his own curriculum.

亨特说，“我会尽可能让东西便宜些。”他在课堂上使用的是免费的电子教科书，但课程是自己设计的。

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"I try to make things as inexpensive as possible,'' said Hunt, who uses free digital textbooks for his classes but designs his own curriculum.

亨特说，“我尽可能地让东西便宜些。”他在课堂上使用免费的电子教科书，但自己设计课程。

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At the same time, we recognize that children might have an interest in entering adulthood free to create their own digital footprint.

同时，我们认识到，孩子们可能对成年后能自由创造自己的数据足迹感兴趣。

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Authentication errors, in which the app fails to recognize existing subscribers, are reported for almost half of the publications that offer digital versions free to print subscribers.

FORBES: Online Publications Need Better Apps

As long as you have an HD-equipped radio (three million have been sold by Ibiquity, which is owned by big-league radio chains) you can listen to the digital signal free, without a subscription, and at the same frequencies, too.

FORBES: HD Radio: Is it the auto industry's next big thing?

The Internet Archive has a competing project, which aims to offer a free digital library.

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