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used to refer to the practice of providing information only to those who absolutely require that specific information to perform their tasks or duties effectively
to be well-informed about or completely familiar with something
to have very good knowledge or understanding about someone or something
to have easy, immediate access to something, often information or resources
to know something so perfectly that one can do it at anytime without having to focus or think
in a state of being informed and knowledgeable about a particular topic or situation
a complete set of facts or details about how something is done or how it works
to take advantage of the understanding and discoveries of influential figures who have been through the same or similar intellectual progress
some pieces of information or knowledge that may be useful or relevant at a later time
to be well-informed about a particular situation, to the point where one is able to determine the outcome
the knowledge or experience that is crucial for one to survive or succeed in urban environments
街头智慧, 街道常识
