Bcsm
abbr. basic call state model 基本呼叫状态模型
🗣️ 情景例句
Sure. How's 2:00?
当然，两点怎么样？
I'm afraid he will lose your time.
我怕他会浪费你的时间。
What is the deadline for submitting the quotation?
报价截止日是哪一天？