English Dictionary

by the way

prep_phrase

(conjunctive, idiomatic) Incidentally; used in referencing a parenthetical statement not timely, central, or crucial to the topic at hand; foregone, passed by, something that has already happened.

By the way, have you seen my keys?

意味（1）

(conjunctive, idiomatic) Incidentally; used in referencing a parenthetical statement not timely, central, or crucial to the topic at hand; foregone, passed by, something that has already happened.

[…] I had counted on a life-lease of the profits, whereas I only received those of a few short years. But this is by the way.