Other instances in which this pattern is useful include logging and printing, such as when you want only one instance of a class to access and control one particular printer at a time.

在其他实例中，此模式也是有用的，包括登录和打印，例如，当您想要一个能够每次访问并控制一个特别打印机的类实例。

youdao

Let's make each class responsible for initializing and printing itself.

要使每一个类别对于初始化和列印自己负责。

youdao

We will constantly improve our product quality and service level to bring the company into the rank of the first-class printing enterprises.

我们将与时并进，不断提高产品质量及服务水平，使公司成为一流的印刷企业。

youdao

The idea for the book on death row originated with Sam Houston State University English Professor Paul Ruffin, who teaches a class in which students develop a book from inception to printing.

VOA: standard.2009.10.21

This would quickly precipitate the political class into a dilemma that ends naturally in the printing of money.

WSJ: Jenkins: Lost Decade, Revisited