Efficiency standards
[经] 效率标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
Oh, poor baby.
噢， 可怜的小宝贝。
I'm going to take four boxes.
我要拿四盒。
Where is it? asked her mother.
“剩余的钱在哪儿？”她妈妈问。