欧盟是由多国组成,在当今世界堪称一体化程度最高的区域性组织,其成员国虽均属发达国家,但仍存在区域发展不平衡问题。一方面,各国内部存在经济发展的不平衡,例如,到20世纪70年代,意大利北方与南方的差别,法国中部、东北部与西部的差别,英国西南部与北部尤其是与北爱尔兰的差别,荷兰西部与北 The EU, which is composed of many nations, is the most integrated regional organization in the world today. Although its member states belong to the developed countries, the EU still has the problem of regional development imbalance. On the one hand, there are imbalances in economic development within each country. For example, the differences between northern and southern Italy by the 1970s, the differences between central and northeastern France and the western part of the country, the differences between the southwestern and northern parts of the UK, and especially Northern Ireland, Dutch west and north