修建这些水坝可提供廉价的电力,为工人创造就业机会,刺激了地区经济发展,并允许在否则将过于干燥的土地上进行耕种。
Building these dams provided cheap electricity, created jobs for workers, stimulated regional economic development, and allowed farming on lands that would otherwise be too dry.
省际边境地区经济发展缓慢主要是由:自然地理因素、体制因素、交通因素造成的。
Reasons of the slow economic development in the provincial border areas include: natural geographical factors, systematic reasons, and transportation elements.
The plant based economies began in the Middle East and then they spread to the rest of the world.
农耕经济由中东地区开始,发展并传播到全世界
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