国民生产总值是半个世纪前制定的，帮助各国建立了衡量经济产出变化的统一方式。
Developed a half-century ago, GNP helped establish a common way among countries of measuring the change in economic output.
然后，白宫需要的是提出一个统一的经济理论。
What the White House needed, then, was to present a unified theory of economics.
由保守的施普林格集团出版的《周日世界报》指出，对于西德而言，统一的经济代价要低于明面所见。
Welt am Sonntag, published by the conservative Springer group, pointed out that the economic costs to the west of unification have been lower than they appear.
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