Yet our efforts since the attacks of 9/11 have been guided by three important lessons learned when free peoples twice defeated totalitarianism in the last century.是什么意思_Yet our efforts since the attacks of 9/11 have been guided by three important lessons learned when free peoples twice defeated totalitarianism in the last century.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句