(In the Harry Potter books, pictures in newspapers or photographs hanging on the wall move around and talk.) Someday, people may even be able to print their own paper tablets or music players.

（在《哈利·波特》书中， 报纸上的图片或挂在墙上的照片会四处走动并说话。）有一天，人们甚至可以打印自己的纸板或音乐播放器。