The average college student in America spent an estimated seven hundred dollars on textbooks last year. 一名普通的美国大学学生花费在教科书上的费用去年的统计是700美元。
The National Association of College Stores reported more than five billion dollars in sales of textbooks and course materials. 全国大学供应协会报道称在教科书和课程材料销售上已超50亿。
Association spokesman Charles Schmidt says electronic textbooks now represent just two to three percent of sales. 协会发言人Charles Schmidt 称电子教科书目前占销售的2-3个百分点。
But he says that is expected to reach ten to fifteen percent by two thousand twelve. 但是,他说预计在2012年可以达到10-15个百分点。
Online versions are now available for many of the most popular college textbooks. 大部分当前大学教科书的在线版本都可获取。