Obligatio certa
[法] 特定之债
🧩 词语组成解析
[法] 债, 债权, 债务
🗣️ 情景例句
It doesn't mean you have to be a doctor.
这并不意味着你一定要当医生。
Better be half hanged than ill wed.
与其成怨偶，不如守单身。
I don't know if I'll have the patience.
我不知道我有没有耐心。