Before POD, if sales of one of the publisher's books dropped below 50 copies a year, it was taken out of print.

在按需出版技术出现之前，如果一个出版商的某种书的年销量低于50本，那么这种书就要停止出版。

youdao

Some writers want to print out just enough copies of their prized project for colleagues and friends; others think they have a book that will sell to a larger audience.

一些作者要打印出足够的副本项目，其珍贵的同事和朋友，其他人认为他们有一本书，将出售给更多的受众。

youdao

That book has been out of print for some years now, but there are probably a few copies knocking about in secondhand bookshops.

那部书已经绝版几年了，不过旧书店里可能还会有几本。

youdao

Schools could print out copies, but that would not help the environment.

VOA: special.2009.08.27

If you agree that prohibition must end then please print out copies of Declaration of Rights of Cannabis Users, date and sign them and send them to ALL YOUR elected representatives AND to the United Nations.

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If you want to print out hard copies of writing contracts, make sure you have a supply of paper and a printer.

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Instead of easily manipulating an image to thoroughly examine the breast's interior, radiologists will have to print out more hard copies.

FORBES: Fact and Comment