来自经济学和人口学的模型成为检验社会保障财政基础的最权威工具。
Models from economics and demography become the definitive tools for examining the financial base of social security.
为了介绍本专题,我们重新检验了过去半个世纪出版的六本经典著作,或者以便阐明各种各样与经济主题相契合的书籍。
To introduce this feature we re-examine six classics published over the past half-century or so that illustrate the wide variety of books that march under the banner of business.
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