self-perpetuating
adjective disapproving uk/ˌself.pəˈpetʃ.uː.eɪ.tɪŋ/ us/ˌself.pɚˈpetʃ.uː.eɪ.t̬ɪŋ/
长存不变的；陈陈相因的
having a system that prevents change and produces new things that are very similar to the old ones
The fighting between the different groups has become a self-perpetuating spiral of death and hatred. 不同社会群体之间的斗争导致了死亡与憎恨的永无止境的恶性循环。