Alexander said the Obama administration's proposed subsidies for solar, wind and agricultural energy development will not make much difference, since those forms of energy provide less than two percent of America's electricity.

VOA: standard.2009.04.25

Now a development economist--that's Santosh's field-- Development economics is a very important field in economics that is helping less developed countries emerge.

发展经济学...那是桑托什的研究领域,发展经济学是,经济学中一个非常重要的领域,它研究的是如何帮助欠发达地区实现经济崛起

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