Camas
(cama 的复数) abbr. 集中式自动化通话记帐制（Centralized Automatic Message Accounting）；民用航空医学协会（Civil Aviation Medical Association）
🗣️ 情景例句
A friend of a friend is good pals with the lead singer.
我一个朋友的朋友跟那个主唱歌手是朋友。
Why didn't you say so?
为什么不早说？
Thirteen is not as good as one, but it's better than nothing.
“13下是不如1下好，但总比1下也不敲强。