irrelevances
If you talk about the irrelevance of something, you mean that it is irrelevant.
the utter irrelevance of the debate.
与这一争论毫不相关。
If you describe something as an irrelevance, you have a low opinion of it because it is not important in a situation.
The Patriotic Front has been a political irrelevance since it was abandoned by its foreign backers.
“爱国阵线”自从被其外国支持者们遗弃之后就已经没有任何政治意义了。