Pfa
abbr. 故障预警分析（Predictive Failure Analysis）；职业球员联盟（Professional Footballers' Association）；全氟烷氧基烷烃
🗣️ 情景例句
Oh, I'm so sorry.
噢， 我真难过。
We'll have to discuss about the total contract price.
我们不得不讨论一下合同的总价格问题。
We had some shoes like those a month ago,but we don't have any now.
一个月前我们有这要的鞋。但是现在没有了。