Preaid annuity
[经] 预付年金
🧩 词语组成解析
[经] 预付的, 付讫的
🗣️ 情景例句
They don't have room service at Old Country Inn. Old Country Inn
没有房间服务部。
Science is organized knowledge.
科学是系统化的知识。
Its origin is still a mystery now.
它的起源至今仍是个谜。