Option book
[经] 选择权交易帐簿
🧩 词语组成解析
book
[bʊk]
n. 书;卷;课本;账簿;
vt.& vi. 预订;
vt. 登记;（向旅馆、饭店、戏院等）预约;立案（控告某人）;订立演出契约;
adj. 书的;账簿上的;得之（或来自）书本的;按照（或依据）书本的;
🗣️ 情景例句
You really must try and take more care.
你一定要更当心一点。
Self-trust is the essence of heroism.
自信为英雄品质之本。
It's a very old castle. It is the oldest one in Britain.
这个城堡很古老，它是英国最老的了。