by the way
US /baɪ ðə weɪ/
UK /baɪ ðə weɪ/

1.
trouwens, overigens
used to introduce a topic or information that is not directly related to the current conversation but is considered relevant or interesting
:
•
By the way, did you hear about Sarah's new job?
Trouwens, heb je gehoord over Sarah's nieuwe baan?
•
I need to go to the store. By the way, do you need anything?
Ik moet naar de winkel. Trouwens, heb je iets nodig?