Ccsa
[计] 公用控制交换网
🗣️ 情景例句
Great medical school, too.
而且有很好的医学院。
Please be on time.
请准时到。
Yet all these things, different as they seem, have one thing in common.
然而所有这些东西，看上去虽不同，但却有一个共同点。