insufficiency
US /ˌɪn.səˈfɪʃ.ən.si/
UK /ˌɪn.səˈfɪʃ.ən.si/

1.
不足, 缺乏, 不夠
the quality of being inadequate or insufficient
:
•
The insufficiency of funds led to the project's delay.
資金不足導致項目延期。
•
There was an insufficiency of evidence to convict him.
證據不足以給他定罪。