Op. cit.
abbr. 前面引用的书(in the work already quoted)
🗣️ 情景例句
Rotten weather, isn't it?
天气糟透了， 不是吗？
This will do for the time being.
暂时这样就行了。
Certainly!said her mother.
“当然可以！”她妈妈说。