结果得出:长三角交通一体化对地方经济发展潜力的提高起推动作用。
And this paper gets a conclusion which is traffic integration of Yangtze River Delta pushes the improvement of the potential of local economic development.
I think the San Francisco economy is probably one of the top economies in the country right now.
我认为旧金山是美国经济发展最繁荣的地方之一。
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