n.杂物，（尤指文学作品的）杂集，混合物
a degree of variability in the exchange rate
汇率的变化幅度
There's a great deal of variability between individuals.
人和人之间有很大的不同。
There is considerable variability in all the test scores.
所有这些考查成绩都有很大变化.
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