2015 年湖南省财政预算继续实施积极的财政政策，充分发挥财政在整体改革中的基础性和支撑性作用，更好地为全省经济社会建设事业服务。2015 年湖南省一般公共支出预算总计2690.8 亿元，其中， 教育239.3 亿元，科学技术10.9亿元，文化体育与传媒15.2 亿元，社会保障与就业406.4 亿元，医疗卫生与计划生育242.7 亿元，住房保障65.7 亿元，节能环保23.3 亿元，农林水221.1 亿元，产业发展与经济建设83.6 亿元，交通运输172.2 亿元。

结合材料，分析说明我省2015 年财政预算支出的经济意义。

    Bob has summer holidays. He is going to visit his grandparents in Shanghai . He wants to give some presents to them . Yesterday he went to shopping with his mother and father. In the shop , he bought a blue shorts and black pants for his grandfather and some good books for his grandmother . Bob was very happy

二战后，发展中国家人口大量向西欧迁移会造成哪些影响？