Economists watch retail sales closely because consumer demand drives about 70 percent of U. S. economic activity.

经济学家密切关心出售数据是因为美国大约70 % 的经济活动受消费者需求的推动。

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Worries about job security have been hurting the U. S. economy by making consumers less likely to do the spending that drives most U. S. economic activity.

对就业保障的担忧给美国经济构成负面影响，因为消费者不愿消费，而消费是美国经济活动的主要推动力。

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Economists watch retail sales because consumer demand drives most U. S. economic activity.

经济学家密切观察零售销售，因为消费者需求驱动着大多数美国经济活动。

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Perhaps these simple realities are behind consumer spending, which drives two-thirds of the U.S. economy.

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Service Corp. blamed its poor earnings in part on a lower-than-expected death rate, for example (see box), although Stewart executives note that it's the number of deaths, not the rate, that drives funeral sales-and deaths in the U.S. were up 1% last year.

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And in a major rhetorical shift in the nearly four-decade-old Latin American drug war, American diplomats now acknowledge that U.S. demand drives the illegal drug trade.

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