deficiency
/dɪˈfɪʃənsɪ/noun
(pl.-ies)
1- a lack or shortage缺乏, 不足：
deficiencies in material resources.
物质资源匮乏。
1.1
- a failing or shortcoming缺陷, 缺点：
for all its deficiencies it remains his most powerful play.
尽管有诸多缺点, 这也还是他最有影响的剧本。
1.2
- the amount by which something, especially revenue, falls short; a deficit赤字：
a budget deficiency of $96 billion.
960亿美元的预算赤字。