Obligatio naturalis
[法] 自然債務
?? 詞語組成解析
[法] 債, 債權, 債務
[醫]（拉）天然的，自然的
??? 情景例句
I finally got around to the job again.
我終于能再做那份工作了。
How do I address you?
我怎么稱呼你？
With all these mouths to feed, he didn't know what to do.
由于有那么多人要供養，他不知道怎么辦才好。