That shift, in turn, place an unprecedented premium on "knowledge workers", a new class of wealthy, educated, and mobile people who view themselves as free agents in a seller's market.

反过来，这种转变又给“知识工人”带来了前所未有的好处，这是一个新的阶层，由富有、受过教育、流动性强的人组成，他们认为自己是卖方市场上的自由代理人。

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I'm going to shift and spend the rest of this class on a couple of mysteries.

本节课接下来的时间,我们来讲几个心理学未解之谜。

耶鲁公开课 - 心理学导论课程节选

" "Well, in between class and taking the shift.

WHITEHOUSE: "White House to Main Street" Town Hall: Elyria, OH

Trade groups later commissioned a "Task Force for the Future, " which in 2005 said the shift from the middle class toward wealthier customers was eroding the industry's political clout and undermining the argument for continuing the tax advantages of permanent life insurance.

WSJ: Shift to Wealthier Clientele Puts Life Insurers in a Bind

We believe that continued high levels of population growth, demographic shift and growing middle-class in Asia Pacific region will continue to offer DuPont an expanding market for its Agricultural based products over our forecast period.

FORBES: Emerging Markets Lifting DuPont Stock Up To $59