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English definition of “btw”

btw

written abbreviation for by the way: used, for example in emails , when you are writing something that relates to the subject you are discussing , but is not the main point of the discussion : I hope you enjoyed your holiday in Florida - btw, can you recommend a good hotel ?Conventions used on the Internet and in email
(Definition of btw from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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