持证上岗 英文这么说：be getting on post by holding a certificate.
take up one's quarters
the operator shall be certified.特殊工作岗位的人员应参加相应的各级培训,进行资格考核合格后持证上岗.Those special jobs require pre-job training and the operator shall be certified.
持证上岗Go on duty with certificates市场呼吁保姆须经正规职业培训并持证上岗。 The market demands nannies should receive formal occupational training and related certificates.
Certificates
go on duty
upland
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