Cba
abbr. 中国篮球协会（China Basketball Association）；成本效益分析（ost-Benefit Anlysis）
🗣️ 情景例句
How's that?
这是怎么一回事？
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
where people first learned to write.
那里的人最早学会了写字。