Lack缺乏,没有
Lack+of+名词:The plants died for lack of water.
Lack+名词:We lack the strength to walk any further.
短语:be lacking:欠缺、缺:Money was lacking to complete the building.
Be lacking in缺乏(某种品质、特点等),不够:He is not lacking in intelligence.
Lack for 缺(多用于否定句) She does not lack for friends.
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