The third factor is personal situation, such as education, income level, marital status and so on.

还有受个人因素的影响，如受教育水平、收入水平、婚姻状况等。

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The us suffers with an increasingly third-world level of infrastructure, third-tier education system and enormous gaps in the preparedness of its workforce.

美国现在面临着基础设施日益沦落为第三世界的水平，教育体系位居三流，同时劳动力也极度短缺的局面。

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