Oss
abbr. [美]航天科学局（Office of Space Sciences）；[美]战略情报局（Office of Strategic Services）
🗣️ 情景例句
If you cannot make a counter offer, then I'm afraid we can't make a deal.
如果你不还价的话，恐怕我们无法交易。
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
Predicting the future is notoriously difficult.
众所周知，预测未来是非常困难的。