在东北振兴中,辽宁各城市如何发挥自身优势,是他们能否实现快速发展的重要条件。沈阳、大连凭借他们是经济中心城市,因此具备特有的区位优势和政策优势。而其他城市的比较优势,则在于他们具有较低的商务成本。 In rejuvenating the Northeast, how cities in Liaoning exert their own advantages are the important conditions for their rapid development. Shenyang and Dalian rely on them as the economic center cities and therefore have unique geographical advantages and policy advantages. The comparative advantage of other cities is that they have lower business costs.