冰岛冷知识：约会风险大，一不小心就是表兄妹
由于人口真的太少了，所以冰岛全国的人都多多少少有亲戚关系，随便网恋很可能就搞成了近亲 biu biu。
于是他们发明了一个APP，专门来避免这个问题。
Because it is just a small country and almost everyone is somehow related, the Islendinga-App for mobile phones was developed to check exactly how closely related you are to someone. Apparently, it has become helpful to avoid incestual relations especially when dating.
由于这个国家很小，然后几乎所有人都多多少少有亲戚关系，所以他们发明了一个叫Islendiga的手机APP来看血缘关系到底有多近。显然，这在谈网恋的时候很有用，可以有效避免近亲恋爱。
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