Quantity standards
[经] 数量标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
She told me she wanted to start a company.
她告诉我她想开公司。
I don't know.I've already had my holiday this year.
我不知道。今年我已度过假了。