Obligatio certa
[法] 特定之债
🧩 词语组成解析
[法] 债, 债权, 债务
🗣️ 情景例句
About eight o'clock?
差不多八点钟好吗？
He is truly happy who makes others happy.
真正幸福的是使人幸福的人。
Give me a book please, Jane.
请拿本书给我，简。