In more formal contexts, "service" refers to the abstract or logical representation of a business task.

在比较正式的上下文中，“服务”指业务任务的抽象或逻辑表示。

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The formal contexts and concept lattices in formal concept analysis are good methods of knowledge representation.

形式概念分析中的形式背景及概念格是一种较好的知识表示方法；

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Formal contexts; formal concept; combination; object oriented concept lattices; property oriented concept lattices.

形式背景；形式概念；合成；面向对象概念格；面向属性概念格。

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So that people avoid becoming the butt of jokes, Collins English Dictionary advises against using literally as an intensifier in formal or written contexts.

BBC: Why is 'literally' such a troublesome word?

Working journalists who frequently meet ministers and special advisers - and even occasionally permanent secretaries - in all sorts of formal and informal contexts may be wondering about that now.

BBC: Is a wedding a meeting? What about a slumber party?