Afer
abbr. 空气燃油量比（Air-Fuel Equivalence Ratio）；Air Force Engineering Responsibility 空军工程职责
🗣️ 情景例句
I love you, Grandpa.
我爱你， 爷爷。
You are the boss.
一切听你的。
and maybe that is where the rub is.
问题的症结恐怕就在这里。