necessary precondition
collocation必要的先决条件
Trust is a necessary precondition for any successful partnership.
信任是任何成功合作的必要先决条件。
先决条件；前提
preconditions — plural of precondition
先理解核心含义，再看它在真实句子里的用法。
先决条件；前提
A condition that must be met or exist before something else can happen or be done.
Trust is a precondition for any successful relationship.
信任是任何成功关系的前提条件。
采取行动前必须满足的条件。
A condition that requires satisfaction before taking a course of action.
其他事物有效性或效果所依赖的假设
an assumption on which rests the validity or effect of something else
在保险单生效前已存在的疾病、小病或不利健康状况。
A medical illness, ailment, or adverse condition that exists before an insurance policy takes effect.
被视为理所当然的假设
an assumption that is taken for granted
The contract includes several preconditions that must be met before the project can begin.
合同包含几个必须在项目开始前满足的先决条件。
A valid passport is a precondition for international travel.
有效护照是国际旅行的先决条件。
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必要的先决条件
Trust is a necessary precondition for any successful partnership.
信任是任何成功合作的必要先决条件。
……的先决条件
A valid passport is a precondition for international travel.
有效护照是国际旅行的先决条件。
以……为先决条件；条件是
She accepted the job on the precondition that she could work from home.
她接受了这份工作，条件是她可以远程办公。
满足先决条件
Applicants must satisfy the preconditions before their files are reviewed.
申请人在文件被审核前必须满足先决条件。
附加先决条件；强加先决条件
The negotiators refused to impose preconditions before the ceasefire.
谈判人员拒绝在停火前附加先决条件。
Use preconditions naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想记忆：pre-表示“先”，condition表示“条件”，合起来就是“做事前必须先满足的条件”。
语域：formal 常见场景：学术和正式书面语、政策或商务讨论、保险与医疗文书 precondition 多用于正式或书面语境，常出现在学术、政策、法律及保险等专业文本中；日常口语里较少用。这个词的核心含义是“先决条件/前提”，在保险语境中还特指“投保前已有的疾病”。
常与介词 for 或 of 连用，表示'……的先决条件'。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.