他的破产和他的妻子很有关系。 His wife had much to do with his bankruptcy.
插入成份，插入词在书写中插入的与上下文的语法结构没有关系的限定或补充的词、短语或句子 A qualifying or amplifying word, phrase, or sentence inserted within written matter in such a way as to be independent of the surrounding grammatical structure.
可别介意；没有关系的。 But never mind that; it doesn't matter.
有关系的，相关的对即将到来的事情有合乎逻辑且明确的关联 Having logical, precise relevance to the matter at hand.
