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Từ điển Oxford Advanced Learner 8th
off-peak
▪ I. ˌoff-ˈpeak [off-peak] BrE NAmE adjective only before noun
happening or used at a time that is less popular or busy, and therefore cheaper
•off-peak electricity/travel
compare ↑peak
▪ II. ˌoff-ˈpeak adverb
•Phone calls cost 20c per unit off-peak.
Main entry: ↑off-peakderived
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