045 Office supplies 办公用品 (bàngōng yòngpǐn)

credentials
academic credentials
证件~ credentials are expired || 药物~. The medicine has lost its effectiveness

22 证件 [證-] zhèngjiàn (prove-item) credentials: 检查~ check your credentials || 出示~ show your credentials '
13 学历 [學歷] xuélì (academic-experience) academic credentials: ~低/高 low-level, high-level academic credentials || 大学 ~ bachelor’s (undergraduate) credential '
17 失效 [-] shīxiào (lose-function) lose efficacy, loose effectiveness: 证件~ credentials are expired || 药物~. The medicine has lost its effectiveness '

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