backgrounder

1. But first, a basic backgrounder on grid computing and peer-to-peer functionality
   但是首先，需要介绍一些网格计算和对等功能的基本背景知识
2. Analyzing a number of case studies, the thesis points out that major reasons for lack of professional ethics in the press lie with the macro social backgrounder, politics, marketization of the press, inductive profits, as well as the absence of effective supervision system.
   通过大量相关案例的分析，本文认为在社会背景的宏观影响下，政治因素的介入、媒体市场化与商业利润的诱惑、缺乏有效的监督机制是造成新闻职业道德缺失的主要原因。

noun

1. a press conference or interview in which a government official explains to reporters the background of an action or policy
   1. the secretary gave us a backgrounder on public health issues