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
and I've completely forgotten about all my business problems.
但我已经彻底抛开了我所有的业务上的问题。
The old lady takes delight in visits from her grandchildren.
那个老妇人以孙辈门看她来为乐。
Forest fires are often caused by broken glass or by cigarette ends which people carelessly throw away.
森林火灾时常由破碎的玻璃或人们随手扔掉的香烟头引起。