a lack or shortage 缺乏,不足 deficiencies in material resources. 物质资源匮乏。 ■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。 ■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。