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。

youdao

A service has syntax, semantics, and QoS characteristics that all have to be modelled; formal interface contracts have to cover more than the Web Services Description Language (WSDL) does.

服务具有语法、语义和QoS特征，所有这些都必须进行建模；正式的接口契约必须涵盖的比web服务描述语言(Web Services Description Language, WSDL)的多。

youdao

Two symmetrical stairs, one at each end of the house, define a usage hierarchy, a more formal vertical movement at the south, and service circulation at the north.

两个对称的楼梯，在项目的两边，区分出不同等级的用途，南侧用于更加正式的垂直动线，而北侧则主要用于服务。

youdao

They face the drastic prospect of having to discard plans set out in the constitution for a new, more formal European layer of government, including an embryonic EU diplomatic service and more EU-level powers over key areas like immigration.

BBC: Mundo | Aprenda ingl��s | Voto holand��s sobre la UE

Service is pinpoint attentive, modeled on Japan's more formal attitude toward retail transactions.

WSJ: This Man Wants to Clothe the Planet | Renegade