unrecorded
adj. 未记录下来的；未登记的
例句
Many crimes go unrecorded.
许多罪行都未记录在案。
《牛津词典》
The invention of the tangram puzzle is unrecorded in history.
七巧板的发明在历史上是没有记载的。
It needs to be adjusted for any unpresented cheques or unrecorded deposits.
需要针对任何未出示的支票或未记录的存款进行调整。
