The shortcomings of traditional print edition textbooks are obvious: For starters they're heavy, with the average physics textbook weighing 3.06 pounds.
出自-2013年6月阅读原文
Which is why digital textbooks, if they live up to their promise, could help ease many of these shortcomings
出自-2013年6月阅读原文
Of course, Inkling addresses several of the other shortcomings in traditional print as well.
出自-2013年6月阅读原文