所谓的事例就是产品中执行功能的描述，通常陈述于特性支持什么样的用户角色以及它能提供什么样商业价值的术语中。
A story is a description of functionality to be implemented in the product, often stated in terms of what user roles the feature supports and what business value it offers them.
它们并没有提供对Web 2.0的全面描述，而仅仅重点介绍了商业和公共部门的组织想要利用的一些最为常见的功能。
They by no means provide a comprehensive description to Web 2.0, but do highlight some of the most common capabilities that commercial and public-sector organisations are seeking to exploit.
本文对商店自动化的主要技术装备——商业POS系统作了介绍，着重描述了它的概念，组成及主要功能。
The paper Introduces Technolegy Outfit of Store Automation - Business POS System, it mainly discusses the Concept, Constitute and Function of POS System.
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