1
a sufficiency of + noun
通常与不定冠词连用，后接of短语。
We have a sufficiency of food for the winter.
我们有充足的食物过冬。
充足，充分的数量
先理解核心含义，再看它在真实句子里的用法。
充足，充分的数量
the state of being sufficient; an adequate amount
We have a sufficiency of food for the winter.
我们有充足的食物过冬。
足够的质量或状态
The quality or condition of being sufficient.
足够的数量
An adequate amount.
The sufficiency of the funding ensured the project could be completed on time.
充足的资金确保了项目能按时完成。
She questioned the sufficiency of the evidence to support the claim.
她质疑证据是否足够支持该主张。
After years of saving, they finally achieved financial sufficiency.
经过多年储蓄，他们终于实现了财务上的自足。
通常与不定冠词连用，后接of短语。
We have a sufficiency of food for the winter.
我们有充足的食物过冬。
后接不定式表示“足以做某事”。
The country lacks sufficiency to defend itself.
该国缺乏自我防御的充分能力。
后接for表示“为…的充足”。
The funds provide sufficiency for the project.
这笔资金为该项目提供了充足性。
Not this
The resources are sufficiency.
Use this
The resources are sufficient.
误将名词“sufficiency”当作形容词使用。英语中“sufficiency”是名词，意为“充足”，而表示“充足的”应用形容词“sufficient”。应将名词改为形容词。
Not this
There is sufficiency water in the tank.
Use this
There is sufficient water in the tank.
错误地将“sufficiency”直接放在名词前作定语。英语中“sufficiency”作为名词，不能直接修饰名词，需用“of”结构（如a sufficiency of water）或改用形容词“sufficient”。此处改为形容词更简洁自然。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
证据的充分性
The judge ruled on the sufficiency of evidence.
法官对证据的充分性作出了裁定。
资源的充足程度
They assessed the sufficiency of resources before starting the project.
他们在开始项目前评估了资源的充足程度。
信息的充分性
The committee reviewed the sufficiency of information in the report.
委员会审查了报告中信息的充分性。
供应的充足性
The city ensured the sufficiency of supply during the emergency.
该市在紧急情况下确保了供应的充足性。
粮食充足
Food sufficiency is a major goal for the region.
粮食充足是该地区的主要目标。
神能将各样的恩惠多多地加给你们，使你们凡事常常充足，能多行各样善事。
This famous line comes from 2 Corinthians 9:8 in the King James Version of the Bible; it assures believers that God provides all the sufficiency they need for every good work.
这句名言出自钦定版圣经《哥林多后书》9章8节，向信徒保证上帝会供应行各样善事所需的一切充足。
Use sufficiency naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
sufficiency 与 sufficient 同根，都是'足够'；把 -cy 看作名词尾巴，想到'足够的食物'，拼写自然记住。
语域：formal 常见场景：学术写作、正式报告 sufficiency 是比较正式的词，通常用于书面或正式场合，日常口语较少使用。
efficiency、deficiency、proficiency 与 sufficiency 押韵，都以 /ˈfɪʃənsi/ 结尾。注意 sufficient 是常用易混词，拼写相近但读作 /səˈfɪʃənt/，结尾不是 /ʃənsi/。
Dictionary facts from ECDICT, WIKTIONARY.