rubber stamp
noun [ C usually singular ] uk/ˌrʌb.ə ˈstæmp/ us/ˌrʌb.ɚ ˈstæmp/
(用来在文件上印日期、组织名称等的)橡皮图章
a small device with raised letters made of rubber, used for printing the date, name of an organization, etc. on documents
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