Okay, that's sort of a broad background about the content of the course.

那么,这些就是这门课程的基础背景

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The NRA disputes that characterization about the "gun show loophole" because federally licensed firearms dealers participate at gatherings and, of course, conduct background checks.

CNN: 'Universal background check:' What does it mean?

And, of course, she has good background from former U.S. President Clinton.

NPR: U.S. Election: Iraq's View

Of course, some have the background which is a different issue, but even in that case this should be a suggestion from the product owner to make a change, and the engineer can evaluate and remain accountable for their part of the solution.

FORBES: Agile Part 3: The Conversation Continues