incidentally

柯林斯詞典

1. ADV You use incidentally to introduce a point that is not directly relevant to what you are saying, often a question or extra information that you have just thought of. 順便說(shuō)及地[ADV with cl]
"I didn't ask you to come. Incidentally, why have you come?"
“我沒(méi)有叫你來(lái)。順便問(wèn)一下，你爲(wèi)什麼來(lái)呢？”
2. ADV If something occurs only incidentally, it is less important than another thing or is not a major part of it. 附帶地[ADV with v]
The letter mentioned my great aunt and uncle only incidentally. 信裡衹是附帶地提到我的叔祖母和叔祖父。