open book的用法和樣例：
例句
用作名詞 (n.)
- She is a very friendly,open person.
她是一位很友好很坦率的人。 - I am sure you will give me a plain and open answer.
我相信你一定會(huì )給我一個(gè)簡(jiǎn)單，坦率的答復。
詞匯搭配
- open-book examination 開(kāi)卷考試
- an open book 盡人皆知的事物...
