Many of the most powerful U.S. manufacturers produce their goods for foreign customers in overseas locales, which does nothing to shrink the trade deficit.

最强大的美国制造商在海外生产的许多环节，这无助于缩小贸易逆差国外客户的货物。

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If a carmaker stops employing its own office cleaners and instead buys cleaning services from a specialist company, then output and employment in the service sector appear to grow overnight, and those in manufacturing to shrink, even though nothing has changed.

ECONOMIST: Manufacturing employment