Failing states are of international concern because they are a source of terrorists, drugs, weapons and refugees ( ' , 难民), threatening political stability everywhere.
出自-2016年6月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
难民；寻求庇护者
Refugees are people who have been forced to leave their homes or their country, either because there is a war there or because of their political or religious beliefs.