Ccsa
[计] 公用控制交换网
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
The path down to evil is easy.
堕入罪恶的道路是容易走的。
The one near the school. It sells books and things like that.
就是学校附近的那个。卖书之类的东西。