Top government officials, led by Vice President Joe Biden, will work on policies to help the middle class.

VOA: special.2009.01.31

So I always regard one purpose of this class to help hapless Yale students in their dating strategies.

我一直都觉得一门课还有个目的,就是教耶鲁的倒霉蛋们怎么约会

耶鲁公开课 - 博弈论课程节选

And we want to help you learn how to map a problem into a class of algorithms of some efficiency That's our goal.

学会如何将一个问题,映射到一类,提升效率的算法中去,这就是我们的目标。

麻省理工公开课 - 计算机科学及编程导论课程节选

He talks about the need to help the middle class grow, help increase middle-class security, how we need to ensure as a nation that we're investing in education and infrastructure and innovation so that we can continue to grow our economy.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

That would make my life easier. (Laughter.) And when the other party has been with me to help middle-class families, to help working families, I've worked with them happily -- like when we cut taxes for middle-class families and small businesses, some of them supported me.

WHITEHOUSE: Remarks by the President in Lima, OH

Individual Retirement Accounts and other tax-preferred savings vehicles are intended to help middle class families save for retirement.

FORBES: Retirement Caps and Budget Politics