0 the fact that something is not available or that there is not enough of it -- 没有…,…匮乏,…短缺
1 to not have or not have enough of something that is needed or wanted -- 缺少,缺乏
His answer demonstrated a complete lack of understanding of the question.
One disadvantage of living in the town is the lack of safe places for the children to play.
Hospitals are being forced to close departments because of lack of money.
There is a lack of reasonably priced housing for rent.
The local residents were angry at the lack of parking spaces.
They've won a few matches this season but they lack consistency.
They lack basic foodstuffs, such as bread and milk.