Usdoc
abbr. United States Department of Commerce 美国商务部
🗣️ 情景例句
No, it's Ok.
不用， 没有关系 。
My sister is the oldest.
我的姐姐是最大。
We'd have to compare notes on what we've discussed during the day.
我们想用点时间来研究讨论一下白天谈判的情况。