Nairu
abbr. 非加速性失业增长率（Non-Accelerating Inflation Rate of Unemployment）
🗣️ 情景例句
It's raining cats and dogs.
真是大雨倾盆。
She hesitated about what to do next.
他对下一步干什么拿不定主意。
About once a month. Not too often, because neither of us has much time. We both have too much work to do.
大约每月一次。不太经常写信，因为我俩的时间都很紧。我们都有做不完的事。