Those fears, it is argued, stem from a double squeeze on America's middle class.

这些担心，被认为是由于美国的中产阶级遭受双重打击。

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They place the stove in the middle of the house, and stem the gaps in the window.

他们将火炉放在屋子中间，堵上了窗户的缝隙。

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Sickness newspaper spot many middle the skin pitfall face body, pons, cerebellum stem, skull circle suddenly.

病报部位多在肤阱脸体、脑桥、小脑茎中部、颅骨圈突部。

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Economic growth and prosperity for working people and the middle class does not stem from increased spending and consumption.

FORBES: The Fiscal Cliff and America's Coming Recession

Polls show Americans who consider themselves conservatives are split right down the middle on whether they support stem cell research, and some pro-choice Americans actually oppose embryonic stem cell research.

CNN: Politics, science, morality of stem cell issue

Corporations surely need to focus on the next quarter, but making an investment in the next generation which is what happens when they support STEM programs in more elementary, middle and high schools is equally vital.

FORBES: Tech Jobs: We Need More STEM Grads, And We Need Them Now