Treasury obligations
un. 国库债务
🧩 词语组成解析
n. 义务；债务；承付款项（obligation的复数）
🗣️ 情景例句
What time would you like to receive the call?
您想何时叫您？
How much is a bus ticket?
公共汽车票要多少钱？
Oh, learned judge! Oh, wise young man!
噢，博学的法官！噢，聪明的年轻人！