1
the validity of sth
We must question the validity of the data.
我们必须质疑数据的有效性。
有效性；正确性
validities — plural of validity
先理解核心含义，再看它在真实句子里的用法。
有效性；正确性
the quality of being valid and rigorous
We must question the validity of the data.
我们必须质疑数据的有效性。
有效、真实或真诚的状态
The state of being valid, authentic or genuine.
有效和严谨的品质
the quality of being valid and rigorous
具有法律效力的状态
State of having legal force.
具有法律效力的品质
the quality of having legal force or effectiveness
The validity of your passport will be checked at customs.
海关会检查你护照的有效性。
She doubted the validity of the test results after noticing the broken machine.
她注意到机器坏了之后，怀疑测试结果的有效性。
The teacher explained the validity of the argument using simple examples.
老师用简单的例子解释了论点的正确性。
We must question the validity of the data.
我们必须质疑数据的有效性。
常见动词搭配还有verify, check等。
The lawyer doubted the validity of the witness's statement.
律师怀疑证人陈述的有效性。
Not this
We must ensure the valid of the experiment.
Use this
We must ensure the validity of the experiment.
validity是名词，表示“有效性”，而valid是形容词，表示“有效的”。在句子中需要名词作宾语，所以要用validity。
Not this
The validation of his argument is questionable.
Use this
The validity of his argument is questionable.
validation通常指验证或确认的过程（即“验证”），而validity指的是状态或属性（即“有效性”）。在讨论论点是否有效时，应用validity。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
论点的有效性
The validity of an argument depends on the truth of its premises.
论点的有效性取决于其前提的真实性。
有效期
The validity period of the passport is ten years.
护照的有效期是十年。
主张的有效性
The court questioned the validity of the claim.
法院对该主张的有效性提出了质疑。
外部效度
Researchers must consider external validity when generalizing findings.
研究者在推广研究结果时必须考虑外部效度。
内部效度
The experimental design ensures high internal validity.
该实验设计确保了高内部效度。
有效性检查
The software performs a validity check on the input data.
该软件对输入数据进行有效性检查。
Use validities naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
valid（有效）加ity（名词后缀）构成validity，想象一个带有'有效'标签的证件，其有效性毋庸置疑。
register: mixed; contexts: 法律论证, 学术研究, 逻辑推理, 实验验证; note_zh: 该词通常用于正式或学术场合，表示有效性或正确性，但在日常讨论中也可能出现，因此选择mixed语域。
All listed words share the spelling suffix -ity, but only words with the stressed vowel /ɪ/ and consonant /d/ (like validity itself) are exact rhymes. Validity's stressed syllable is /lɪd/; none of these words have the same consonant cluster, so they do not rhyme perfectly despite the common ending.
Dictionary facts from ECDICT, WIKTIONARY.