Quantitative restriction
[经] 数量限制
🧩 词语组成解析
🗣️ 情景例句
I'm looking for nail polish remover.
我想买点洗指甲油水。
Do you usually do arithmetic on Sunday?
你通常在星期日做算术吗？
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。