This modern form of migration raises massive problems forcountries on the receiving end. In Europe, it is probably the mostserious social issue today, because no one has a clear idea abouthow to manage the resulting clash of cultures.
这种现代形式的迁徙给接收国造成了很多麻烦，甚至成了欧洲目前最严重的社会问题，因为没人知道该怎样处理由此产生的文化冲突。