美国选举辩论悬而未决，特朗普威胁因麦克风争议退出辩论 || US election debate in the balance as Trump threatens to pull out over microphone dispute

哈里斯竞选团队指控特朗普阵营希望关闭麦克风，以保护他免受任何不当言论或在辩论中失去冷静的影响。

via News - South China Morning Post (author: Agence France-Presse)