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
I'm sorry to inform you that your application for ball has been refused.
很遗憾通知你， 你的保释申请书已经被驳回了。
I think you're mistaken about that.
我认为你关于那是错的。
He never has anything to do.
他从来都是无事可做，