The publisher has printed10000 copies of the book.
这本书出版社已印了10000册.
The shop ordered 20 copies of the book and now it can't get rid of (ie sell) them.
该店定购了20本这种书, 现在却无法脱手.
The writer gets a 10% royalty on each copy sold of his book.
作者从每本卖出的书中可得10%的版税。