Bookcrossing is part of a trend among people who want to get back to the "real" and not the virtual (虚拟).

2016年高考英语全国卷2 阅读理解 阅读C 原文

Bookcrossing provides an identification number to stick inside the book.

2016年高考英语全国卷2 阅读理解 阅读C 原文

Bruce Pederson, the managing director of Bookcrossing, says, "the two things that change your life are the people you meet and books you read."

2016年高考英语全国卷2 阅读理解 阅读C 原文

E-mails are then sent to the bookcrossing to keep them updated about where their books have been found.

2016年高考英语全国卷2 阅读理解 阅读C 原文