哈欧债跟日本的问题来自哪？看看世界国家人口中位数吧 Japan 44.6 Italy 44.3 Germany 43.7 Austria 42.6 Finland 42.3 Greece 42.2 Belgium 42.0 Sweden 41.7 Bulgaria 41.6 Spain 41.5 Switzerland 41.3 Netherlands 40.8 Canada 40.7 Denmark 40.7 United Kingdom 40.5
