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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As he contests the primaries, the Republican front-runner is the victim of a double squeeze.

ECONOMIST: The Republicans

Adding to their woes, the worst affected pension funds have also been caught in a double squeeze affecting all company schemes.

ECONOMIST: The companies with the biggest holes in their pension funds