A thousand years ago, only rich people owned books. Before the printing press was developed, books were largely written by hand. Large sums of money were needed to buy books. Only the richest people could afford to have libraries in their homes.

一千多年前，只有有钱人才拥有书。在印刷术发明以前，书大都是用手写出来的。买书要花好多钱。只有最富的人才可以供得起家庭图书馆