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unofficial
01
非正式的, 未经授权的
lacking validation or approval from an established authority or organization
02
非官方的, 未正式建立的
not officially established
unofficial
adj
official
adj
office
n
例子
The unofficial spokesperson provided information to the press without official approval.
The unofficial version of the document circulated among staff before final approval.
Unofficial transcripts of the meeting were shared among team members for reference.
Unofficial sources reported on the incident before any official statement was released.
The unofficial policy of flexible work hours was informally adopted by some employees.
