Caca
abbr. 中国抗癌协会；[英]水泥和混凝土协会（Cement and Concrete Association）
🗣️ 情景例句
Where are we going to be?
我们会在哪儿？
It is wisdom sometimes to seem a fool.
大智若愚。
No, I didn't.
不，我不知道。