What does happen to know mean? How is it used in real life situations? Listen to the vocab man and learn new phasal verbs, collocations, words an useful sentences to become a better English speaker!
music:
Electric Birds by Scott Holmes is licensed under a Attribution-NonCommercial License.
https://www.freemusicarchive.org/music/Scott_Holmes/Music_For_Media_Vol_2/Scott_Holmes_-_06_-_Electric_Birds
