Estimate variance
[计] 估计方差
🧩 词语组成解析
estimate
['ɛstə,met]
n. 估计，预测;报价，预算书;评价，判断;
vt. 估计，估算;评价，评论;估量，估价;
estim价值+ate动词后缀 → 使之成为有价值的东西的过程 → 估计，估量
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
You seem to have some reservations.
看起来你还有些犹豫。
It is harder to marry a daughter well than to bring her up well.
养女容易嫁女难。
I don't know whether you care to answer right away.
我不知道你是否愿意立即回答。