deficiency

n. the state of having none or not enough of
不足，缺乏;缺點(diǎn),缺陷
The deficiencies in the plan are very clear and it can not succeed.
這個(gè)計(jì)劃的不足之處是顯而易見的，因而是不可能成功的。
The officer was quite worried about the deficiency in the supply of water.
這位軍官很擔(dān)心水供應(yīng)不足。

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