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<正>大规模枪击事件会造成大量人员伤亡,给许多家庭带去无法忘却的伤痛。作为四年前桑迪胡克小学枪击事件~①中的受害者母亲,内尔巴为发生在今年6月的奥兰多枪击事件~②的受害者家庭送去了安慰。Nelba Marquez-Greene knows the"horror of waiting to hear"if a family member has survived a mass shooting.Her daughter was one of the 20 children killed in a mass shooting at Sandy Hook Elementa-