英语单词：证明信
音标：/prəˈveɪlɪŋ lɛtə/
翻译：证明信（通常是由某人或某机构发出的正式信件，用于证明某事的真实性或合法性）
用法：用于表明某种情况或事实的正式书面文件，通常在法律、商务等场合使用。
例句：

The applicant provided a prevailing letter to confirm his employment status.

I need to submit a prevailing letter to the bank as proof of my address.

The prevailing letter from the university confirmed her graduation.

The company issued a prevailing letter verifying her work experience.

You must attach a prevailing letter from your employer when applying for a loan.

The prevailing letter should be signed by a recognized authority.

This prevailing letter serves as a proof of your identity for the visa application.

The court accepted the prevailing letter as evidence in the case.

A prevailing letter from your doctor is required for the medical insurance claim.

The prevailing letter confirms that he was a valid member of the team during the specified period.

短语搭配：

prevailing letter of employment

prevailing letter of recommendation

prevailing letter of support

request for a prevailing letter

issue a prevailing letter

provide a prevailing letter