relevance

柯林斯詞典

1. N-UNCOUNT Something's relevance to a situation or person is its importance or significance in that situation or to that person. 相關性
Politicians' private lives have no relevance to their public roles. 政治家的私生活與他們的公眾角色沒有相關性。

I understand what you are saying but I don't understand the relevance to this discussion .
The relevance of this novel to the current situation is striking .
And what is the relevance of his claims to this matter ?
This issue has no relevance to the matter in hand .
His teachings are of great relevance to modern life .