absence
noun
[uncountable] 1 (being away) 缺席;
in or during sb's absence 某人不在时;
absence with pay 带薪休假;
leave of absence 休假;
to be conspicuous by one's absence 因缺席而引人注目;
absence of mind 心不在焉;
absence makes the heart grow fonder proverb 别久情更深
2 (lack) 缺乏;
in the absence of 在缺乏…的情况下 ‹alternative, cooperation, evidence, assurances›;
notable or conspicuous by or for its/their absence 因缺失而引人注目