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弗兰克•列维

弗兰克•列维

弗兰克•列维

弗兰克•列维

1

Some years ago , however , the economists David Autor, Frank Levy and Richard Murnane argued that this was the wrong way to think about it.

不过，几年前，经济学家大卫•亚瑟、弗兰克•列维和理查德•莫尼恩提出，这种思维方式是错误的。

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