I am enclosing my resume and three letters of reference.

随函附上简历和三封推荐信。

youdao

This should be reserved for letters of reference or similar communications when the recipient is an unknown third party.

这种用法一般用在推荐信或与其相似的交流中，收件人是不了解的第三方。 。

youdao

Letters of reference from the borrowers' Banks "could have been forged", the investigators write (although they could not say for sure).

调查人员写道，借方的银行送来的保证信“可能是伪造的”(虽然他们不能断定)。

youdao

Letters of Reference, transcripts and health records and exams will also be required.

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