求翻译：经过几代人的努力奋斗，大多数美国犹太人已经进入中产阶级，主要从事工商业、金融业和专业技术工作，只有1％的人仍是非熟练工人。是什么意思？

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After several generation of person's diligently struggles, the majority American Jews already entered the middle class, mainly was engaged in the industry and commerce, the financial industry and the specialized technical work, only then 1% person still right and wrong skilled worker.

After several generations of struggle, most United States Jews had entered the middle class, is mainly engaged in the business sector, financial sector and professional and technical work, only 1% is still non-skilled workers.

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