问两个英语单词的意思和区别

certify

to testify usually formally and in writing to the truth or genuineness of sth.

强调验证某个事物的真实性，比如验证学历是不是真的

certificate

to testify to or authorize by a certificate

强调验证某事物是不是符合某种要求，比如这个奶粉的质量是不是符合国家标准。

certification

the act of certifying; a certified statement

证明符合XXX的凭证

certificate

a document containing a certified statement, especially as to the truth of sth, especially a document ceritifying that one has fulfulled the requirements of

凭证，特别是证明某事物能够达到特定要求的凭证

也可指产权证明，债务证明

certified

having earned cerfication, genuine

真的，品质真实

certificated

officially documented

官方认证过的

income statement is the statement for everything including all the revenue and expensesoperating statement only includes revenue and expenses related to operation. Those revenue or expenses related to administration or others are excluded.

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