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
How's that again.
你再说一次？
I hope you'll be well soon.
我希望你不久将好。
I want to take a walk along the river bank, singing my favorite songs.
我想在河边散步，唱我喜欢的歌。