They'll be able to answer the questions of students who are in their class directly via the interactive book.
出自-2013年6月阅读原文
You'll also be able to receive email, music and movies, all via an internet link.
出自-2013年6月听力原文
It is the most prominent example of a huge new "sharing economy", in which people rent beds, cars, boats and other assets directly from each other, co-ordinated via the internet.
出自-2013年12月阅读原文