/lɛtər ʌv ˌrɛkəmɛnˈdeɪʃən/ – Phrase
Definition: thư giới thiệu.
A more thorough explanation: A letter of recommendation is a formal document written by a person who knows an individual professionally or academically, providing a positive assessment of the individual’s qualifications, character, and abilities. This document is typically used to support an application for employment, admission to an educational program, or other opportunities.
Example: The letter of recommendation provided by the former employer highlighted the candidate’s strong work ethic and excellent communication skills.