In the last few years, Silicon Valley has strengthened its case as the new center of economic gravity in the United States.

但过去几年，硅谷强化了它作为美国经济重力新中心的理由。

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The center of gravity for economic thought in the United States has long been found along the two miles in Cambridge, Mass. , that run between Harvard University and M. I. T.

一直以来，美国经济学思想的中心都位于马萨诸塞州坎布里奇的一段两英里长的地带，它的两端分别是哈佛大学和麻省理工学院。

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Dispersion is continuing virtually everywhere, and with it, a movement of the economic center of gravity away from the city centers in most regions.

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Danny Quah, professor of economics and international development at the London School of Economics, has calculated that the world's economic center of gravity measured by looking at income averages across more than 700 places worldwide has shifted east over the past 30 years, from the Transatlantic Axis to somewhere across the Arabian Peninsula.

WSJ: Wealth Over the Edge | WSJ.Money Spring 2013

Certainly sustained economic growth, low density and more affordable housing all clearly continue to push the center of population gravity toward certain Sun Belt cities, primarily in the Southeast and Texas.

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