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
We need a stable political environment in which to develop our economy.
我们需要一个稳定政治环境来发展经济。
My brother wants to learn how to drive a car.
我的兄弟要去学驾驶。
I suggest that you did not catch the 8 o'clock train,
您乘的不是8点钟的火车，