There are several countries in Europe that, while they maintain friendly relationships with the countries in the EU, are not, in fact, members themselves. Three of the most notable examples of this are the nations of Norway, Switzerland, and Iceland. But why is that? Why, in the decades since the EU was formed, have these countries opted to stay out of it? Watch now to find out!

欧洲有几个国家虽然与欧盟国家保持着友好关系,但事实上它们本身并不是欧盟成员国。其中最显著的三个例子是挪威、瑞士和冰岛。这是为什么呢?欧盟成立几十年来,这些国家为什么选择置身事外?现在就来看看吧!