Higher-order functions offer a higher level of abstraction than object-oriented concepts.

高阶函数提供比面向对象概念更高层次的抽象。

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The problems amenable to solution by using higher-order functions aren't unique to functional languages.

适合采用高阶函数来解决的问题不仅限于函数式语言中。

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If you've ever used closures or higher-order functions, you might have a better understanding of the code in Listing 10.

如果使用过高阶函数或闭包，那么可能更容易理解清单10中的代码。

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The police can take up the law and order functions carried out by the PA today.

CENTERFORSECURITYPOLICY: Squandering Israel's Limited Influence

For example, everyone except the anarchists thinks that the basic law and order functions of the State are worthwhile.

FORBES: If higher taxes are spent wisely, then a tax hike causes a big fall in employment.

The report recommends "a wholesale re-examination of its image and functions in order that it can be regarded as a place fit for the 21st Century, and to once again enhance Glasgow's reputation as an international city".

BBC: George Square set for ?15m revamp ahead of 2014 Games