E-textbooks can cost half the price of a new print textbook.

VOA: special.2009.09.03

What I strive for is say something new and different, not to reiterate people, in the sense of giving them a kind of textbook, clarification or introduction.

我所追求的,是一些新的，不同寻常的东西，而不是去重复别人的话,给他们一本教材，一种阐述或是介绍。

麻省理工公开课 - 电影哲学课程节选

California has a new program called the Digital Textbook Initiative.

VOA: special.2009.08.27

The school is using a new textbook called "A History of Democratic Kampuchea (1975-1979)".

VOA: standard.2010.04.19