The average amount American consumers say they paid for a book has declined around 40% since 2009, from $15.45 in 2009 to $9.31 last year. But publishing remains a profitable business. Our essay on the future of the book. http://econ.st/1u7vnKM
在同亚马逊的拼搏中,德国书业并没有衰落下去。正相反。