双语简讯:Poor planning, communication breakdowns and general sloppiness were main reasons the Secret Service failed to stop a gunman at a Trump rally in July, the agency’s internal probe found ▶ 译文(AI翻译) 美国特勤局内部调查发现,7月在特朗普集会上未能阻止枪手的主要原因是计划不周、沟通不畅和整体疏忽。 ▶ 来源:华尔街日报