Common services
[经] 共同事务, 庶务
🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
n. 服务；服务项目（service复数形式）
🗣️ 情景例句
I feel like an old man.
我感觉像一个老头。
To assemble radios
组装收音机
It was the idea of supporting a craft on a 'pad',or cushion, of low-pressure air, ringed with a curtain of higher pressure air.
用一个气垫来支撑船体，低压空或软垫，软垫周围用高压空气环绕。