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。

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Indonesia, one of the world's least regulated markets, is one of few Asian countries not to have ratified the world Health Organisation's treaty on tobacco control.

印度尼西亚是世界上最不规范的市场之一，是少数不认可世界卫生组织烟草控制条约的亚洲国家之一。

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Cancer touches every family in one way or another. As other diseases are brought under control, cancer is set to become the number one killer, and is already in epidemic proportions worldwide.

随着其他疾病得到控制，癌症却以不同的方式触动每一个家庭，成为蔓延全球的头号杀手。

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This year, researchers at the Centers for Disease Control and Prevention say resistance is close to one hundred percent.

VOA: special.2009.03.04

One group of children was a control group; the second group was taught to think back to experience that make them laugh or smile.

一群小孩组成对照组;,有人教第二组小孩回想,让他们大笑或微笑的经历。

哈佛公开课 - 幸福课课程节选

But the power to control or the power of law for Hobbes also very much applies and here is one of his most controversial doctrines.

对霍布斯而言，君主权力和法律效力,都应当是因人而异的,下面是他最有争议的一项学说。

耶鲁公开课 - 政治哲学导论课程节选

The principal reason given was that the bank's request was tantamount to one for majority control and therefore needed the same scrutiny as the one to exceed the 50% threshold.

ECONOMIST: Italian banking scandal

And governments would be unlikely to allow one firm to control such an important infrastructure.

ECONOMIST: Microsoft after Gates

Countries did indeed continuously war against one another, but no one monarch emerged to control the continent.

FORBES: Fact and Comment