publicly and by somebody who is in a position of authority 正式地;官方地;公开地 according to a particular set of rules, laws, etc. 依据法规等 Many of those living on the streets are not officially homeless. 根据法律定义,许多流浪街头的人并非无家可归者。 I'm not officially supposed to be here. 按公事说,我是不该到这里来的。
according to information that has been told to the public but that may not be true 据传;据公布 opposite unofficially