Scarcity economics
[经] 稀少经济学
🧩 词语组成解析
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
I'm twenty-two (years old).
我二十二了。
The workmen told him to do as he pleased and the policeman telephoned for help.
工人说，悉听尊便。警察去打电话叫人。