Something's relevance to a situation or person is its importance or significance in that situation or to that person.
双语例句
例： Politicians' private lives have no relevance to their public roles.
政治家的私生活与他们的公众角色没有相关性。
例： There are additional publications of special relevance to new graduates.
另有与新毕业生特别相关的其他出版物。