Is it just general background, is it the object to be explored in the lecture, or does it go beyond what the professor will be talking about?

这是一般的背景介绍，是否是课程的讲授目标，又或者是教授课堂上的即兴发挥？

youdao

Star players endure hours of interviews,talking about their football background and their preparation for the big game.

VOA: standard.2010.02.04

This is generally the general introduction of the brain that I wanted to provide, giving the framework for what I'll be talking about later on throughout the course so that I might later on make reference to neurons or neurotransmitters or the cortex or the left hemisphere and you'll sort of have the background to understand what I'm talking about.

以上这些就是我所要讲的,关于大脑的综述,为我以后要讲的课程,建立起框架,往后我可能会提到神经元,神经递质,大脑皮层,或是大脑左半球,而拥有了背景知识的你们,便能够理解我在讲些什么

耶鲁公开课 - 心理学导论课程节选

In these prepared remarks, vice presidential candidate Sarah Palin introduces herself to the Republican delegates by talking about her family background and her tenure as the governor of Alaska.

NPR: Transcript: Gov. Sarah Palin At The RNC

On the Web, sitting at home, on a flowered couch, family pictures in the background, talking about having a conversation - all very soft and friendly.

NPR: Full House in White House Race

"I think the common ground clearly exists from a policy standpoint when talking about background checks, " said Dan Gross, president of the Brady Campaign to End Gun Violence.

CNN: Gun debate: Where is the middle ground?