来自樊秀梅的问题
英语翻译Reportsthatsaythatsomethinghasn'thappenedarealwaysinterestingtome,becauseasweknow,thereareknownknowns;therearethingsweknowweknow.Wealsoknowthereareknownunknowns;thatistosayweknowtherearesomethingsw
英语翻译
Reportsthatsaythatsomethinghasn'thappenedarealwaysinterestingtome,becauseasweknow,thereareknownknowns;therearethingsweknowweknow.Wealsoknowthereareknownunknowns;thatistosayweknowtherearesomethingswedonotknow.Buttherearealsounknownunknowns-theoneswedon'tknowwedon'tknow.
——美国前国防部长DonaldHenryRumsfeld
我会翻译，但能不能用比较浅显的语言解释一下，
1回答
2020-12-26 07:02