B side意思

"B side" is a term that originated in the music industry, specifically in reference to vinyl records. When a record was pressed, it would have two sides, labeled A and B. The A side was typically the side that had the single or the main track that was being promoted. The B side was the opposite side of the record and often contained a different song or songs that were not the main focus of the release.

Over time, the term "B side" has come to refer to any secondary or less prominent aspect of something, not just in music. For example, a company might have a B side to its business that is not as well-known as its main product line. In politics, a candidate's B side might refer to their less publicized views or positions.