on a need-to-know basis

listen to the pronunciation of on a need-to-know basis
Английский Язык - Английский Язык

Определение on a need-to-know basis в Английский Язык Английский Язык словарь

on a need-to-know basis
remaining secret or hidden until it is needed to be known (by a particular party)
on a need-to-know basis
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