by the way
成語所屬單字by
by the way — 慣用語
1. used before adding a small piece of information that is not the main topic of wh
1.慣用語
釋義
順帶一提；對了
used before adding a small piece of information that is not the main topic of what you are saying.
例句
By the way, Marcus called earlier and asked about the weekend trip.
Lina, by the way, your brother left her jacket on our sofa.