Ccsso
abbr. common channel signaling switching office 共路信令交换局; Council of Chief State School Officers 重点州学校管理者委员会
🗣️ 情景例句
Shall we have a chat in the sitting room over the tea for a while?
我们在客厅呆一会儿，喝茶聊天好吗？
If the blind lead the blind, both shall fall into the ditch.
问道于盲，无益于事。
As a matter of fact, he was pretending to be ill.
实际上，他是在装病。