Translation of "기억은" in English

낸시의 뇌와 기억은 나아졌으며

Nancy's brain was better, as was her memory,

기억은 그렇게 단순하지 않습니다.

It isn't.

기억은 역시 편집 모드여야 했고요.

And again: the memory had to be in edit mode for that to work.

저의 분명한 기억은 텅빈 복도에 서있습니다.

My clearest memory is standing in the empty hallway