There is considerable evidence that American workers face lower risks of job loss in recent years than 10, 20, or 30 years earlier. I summarize some of the evidence for this claim and explain why the decline of job loss matters. My attention centers on "u
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机译：有大量证据表明，与10、20或30年前相比，近年来美国工人面临的失业风险更低。我总结了有关此主张的一些证据，并解释了失业率下降的重要性。我的注意力集中在“ u
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