C2 noun /ˌnɒn ˈsɛkwɪtər/
non sequitur
无关的评论
Meaning
a statement or conclusion that does not logically follow from the previous statement
Example
His comment about the weather was a complete non sequitur during the budget discussion.
他关于天气的评论在预算讨论中完全是无关的评论。