n.
an event that departs from expectations
同义词：discrepancyvariant
discord that splits a group
同义词：division
the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value
a difference between conflicting facts or claims or opinions
同义词：discrepancydisagreementdivergence
the quality of being subject to variation
同义词：variabilityvariableness
an official dispensation to act contrary to a rule or regulation (typically a building regulation)
"a zoning variance"
an activity that varies from a norm or standard
同义词：variation
