Documents of value
[经] 有价证券
🧩 词语组成解析
n. 文档（document的复数形式）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Did she mention when she would arrive?
她说过什么时候到吗？
Dumb dogs are dangerous.
哑犬最凶恶。
How old are you?
你多大啦？