Primecost variance
[经] 主要成本差异
🧩 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
as well as the younger people of Riverdale.
和年轻人服务。
You're too outspoken.
你太直率了。
I stayed at home!
我呆在这里了！