quality assurance
noun /ˌkwɒləti əˈʃʊərəns/, /ˌkwɒləti əˈʃɔːrəns/
/ˌkwɑːləti əˈʃʊrəns/
(abbreviation QA)
[uncountable]- the practice of managing the way goods are produced or services are provided to make sure they are kept at a high standard
质量保证