Activity variance
[经] 活动差异
🧩 词语组成解析
variance
['vɛəriəns]
n. 变化，变动;不一致;分歧;<数>方差;
🗣️ 情景例句
A young male may be addressed as 'young man'.
一个年轻的男性可以被称作 'young man' 。
I meet the boy whose aunt is a secretary.
我遇到那个男孩的姑妈是秘书。
so that there are heavy odds in favour of our dying between the ages of sixty-five and eighty.
我们最可能死亡的年龄在65至80岁之间，