variance
/ˈveərɪəns/noun
mass noun
1- the fact or quality of being different, divergent, or inconsistent不同; 差异; 不和：
her light tone was at variance with her sudden trembling.
她温柔的语调与突发颤抖不相符合。
1.1
- the state or fact of disagreeing or quarrelling分歧; 不一致：
they were at variance with all their previous allies.
他们与所有原盟友有分歧。
1.2
- chiefly Law a discrepancy between two statements or documents【主律】（两个供述或证据间的）不符。
1.3
- US Law an official dispensation from a rule or regulation, typically a building regulation【美律】特免。
1.4
- Statistics a quantity equal to the square of the standard deviation【统计】方差。
词源
Middle English: via Old French from Latin variantia 'difference', from the verb variare （see VARY）.