Learn useful ways to say "by the way" in English with drama examples and natural alternatives.

It means the speaker is casually asking what the other person studied in college.
From My Handsome Bodyguard, Episode 18
The speaker is making small talk by asking about the other person's college major.
Use this in casual conversation, interviews, or getting-to-know-you talk. It is polite and common, though the exact wording with back in college sounds slightly more casual.
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