Srac
abbr. short-run average-cost 短期平均成本; short-run average-cost curve 短期平均成本曲線
??? 情景例句
I don't want to be stuck here the rest of my life.
我可不想一生都憋在這兒。
A horse that will not carry a saddle must have no oats.
不愿加鞍的馬，不得吃燕麥。
Yes, Mum.
好的，媽媽。