Certain annuity
[医] 一定年金\\n[经] 确定年金
🧩 词语组成解析
certain
['sə:tən]
adj. 某一;必然的;已确定的;
pron. [动词用复数]某些;
🗣️ 情景例句
Yes?
真的？
We have 50 provinces.
我们有50个省。
the study was known as Project Anehin.
安内英工程"。