Regional labor migration boosts the development and utilization of China's human resource, and it is good for economic exchange and cooperation in Northeast Asia.

通过区域内劳动力迁移，促进我国人力资源的开发和利用，有利于进一步推动东北亚区域的经济交流与合作。

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The problems faced by wetland are poldering reclamation, water pollution, eutrophication, water and soil loss, excessive utilization of biological resource due to history and human being.

由于历史和人为原因，湖北湿地存在的问题主要表现为围垦、富营养化、水土流失及其生物资源的过度利用。

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To minimize the disturbance of social water cycle on natural water cycle is the sole choice to maintain the continuing utilization of urban water resource and sustainable development of human being.

减少水的社会循环对水的自然循环的干扰，是维持城市水资源的持续利用的唯一选择。

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