1. 充分性：除了新的统计方法,费雪也将先前的变异数分析研究进行补强与修饰,因而发明出最大似然估计,并发展出充分性(sufficiency)、辅助统计、费雪线性判别(Fisher's linear discriminator)与费雪资讯(Fisher information)等统计概念.

2. 充足,足量：suction unit 吸引器 | sufficiency 充足,足量 | sugar 糖

3. 充份性：successive differentiation 逐次微分法 | sufficiency 充份性 | sufficient and necessary condition 充要条件

4. 充足：suffice 满足 | sufficiency 充足 | Sufficient for the day is the evil thereof 当时的烦恼就够多了

1. 足量;充足
Sufficiency of something is enough of that thing to achieve a purpose or to fulfil a need.

e.g. When foods from different plant sources are eaten together, deficiency in one is compensated for by sufficiency in another...
多种蔬果类食物一起吃的话，一种食物所缺乏的营养会由另一种富含该营养的食物予以补足。
e.g. There's a sufficiency of drama in these lives to sustain your interest.
这些人的生活充满了戏剧性，总能让你兴趣盎然。

noun

1. the quality of being sufficient for the end in view

e.g. he questioned the sufficiency of human intelligence

Synonym: adequacy

2. an adequate quantity
a quantity that is large enough to achieve a purpose

e.g. enough is as good as a feast
there is more than a sufficiency of lawyers in this country

Synonym: enough

3. sufficient resources to provide comfort and meet obligations

e.g. her father questioned the young suitor's sufficiency