Vietnamese wordvăn bản đối chứngIn your course · Chapter 68Part of speechnounLevelB2Meaningsreference document used to verify a claimSource: Tonada courseRelated wordsbản sửarevised versionbố cụcstructure of a written or spoken workchi phíoperating expensecó íchuseful or beneficialdẫn chứngsupporting example or evidencedữ kiệnreported facthướng dẫnstep-by-step instructionshồi âmto reply to a message