例句：
自1976年以來，激烈的內戰幾乎持續不斷。
The civil war has raged almost continuously since 1976.
持續不斷的暴力事件使人們對它的反應減弱了。
The constant repetition of violence has blunted the human response to it.
1990年全年，敵對組織互相殘殺的民族悲劇持續不斷。
The national tragedy of rival groups killing each other continued throughout 1990.