Efficiency variance
[经] 效率差异
🧩 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
I like Chinese food very much and I think Chinese cooking is the best in the world.
我非常喜欢中国饭菜，并且我认为中国的烹饪是世界上最好的。
I'm sorry. I can't make it on Tuesday.
对不起，星期二我无法参加。
It looks like the moon. There are many different kinds of mooncakes.
它看起来像月亮。月饼的种类很多。