Op. cit.
abbr. 前面引用的书(in the work already quoted)
🗣️ 情景例句
I have no problem with that.
对这一点我没有异议。
I would like to call a carpenter to come this afternoon.
我要叫一个木匠今天下午来。
She likes the children to read newspapers and books in the reading room.
她喜欢孩子们来阅览室读书看报。