Debt obligations
[经] 债券
🧩 词语组成解析
n. 义务；债务；承付款项（obligation的复数）
🗣️ 情景例句
May I ask who I am talking to?
请问你是谁？
First think, and then speak.
先想后说。
You've got lots of old buildings in your country.
你们国家有许多古老的建筑物。