Srac
abbr. short-run average-cost 短期平均成本; short-run average-cost curve 短期平均成本曲线
🗣️ 情景例句
Aren't you hungry, Harry?
你不饿吗， Harry？
One scabbed sheep will mar a whole flock.
一羊生癣，群羊受害。
Two ice cream please.
请拿两份冰淇淋。