求翻译：每起群体性事件的发生，其共性都是与权益息息相关。有的涉及经济方面的利益，有的关系人民民主权利。当人民群众的权益得不到有效保护或实现时，一旦他们的思想出现偏差，则会聚集在一起，往往会通过一些过激的语言或是暴力行为来诉求和发泄，希望用这种方式来保护他们的权益。是什么意思？

Each group of events, its commonness is closely related to the interest. Involving economic interests, some of the people's democratic rights. When you do not have access to effective protection of the rights and interests of the masses or implementation, once their ideological deviation, you are gathered together, often through some intemperate language or violence to demands and vent, want to protect their rights in this way.