unofficial
01
非官方的, 非正式的
lacking validation or approval from an established authority or organization
例子
The unofficial spokesperson provided information to the press without official approval.
非官方发言人未经官方批准向媒体提供了信息。
The unofficial policy of flexible work hours was informally adopted by some employees.
弹性工作时间的非官方政策被一些员工非正式地采用了。
02
非官方的
not officially established
词汇树
unofficial
official
office
