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"BTW" is an abbreviation which is often translated as "por cierto", and "by the way" is a phrase which is often translated as "a propósito". Learn more about the difference between "BTW" and "by the way" below.
BTW()
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
1. (by the way)
by the way()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. a propósito
By the way, do you have any plans for this evening?A propósito, ¿tienes planes para esta noche?