As a result you have a lot of rural Levites who are out of business now, a lot of people who would have officiated at local shrines, and they're out of business: that probably explains the fact that Deuteronomy makes special provision for the Levites and includes them in its... in legislation, sort of social welfare legislation.

因此许多乡下的利未人丢掉了生计，许多在当地主持地方祭祀的人，也丢掉了生计：这也许解释了为什么,申命记中特别为利未人提供了给养,并把它写进了它的立法中，某种社会福利立法。

耶鲁公开课 - 旧约导论课程节选

That wasn't hard, considering he served in the chamber for 46 of his 76 years, has chaired two major committees, and has played a major or minor role in nearly every piece of significant social welfare or health legislation since the mid-1960s.

NPR: Kennedy's Illness Casts Pall over Congress

Promoting social welfare can include lobbying and advocacy for issues and legislation, but not outright political campaign activity.

WSJ: IRS Scrutiny Was Deeper Than Thought

That social-welfare activity can include lobbying and advocating for issues and legislation, but not outright political-campaign activity.

WSJ: Wider Problems Found at IRS