Marginalism
n. [经济]边际主义
🗣️ 情景例句
Hello, darling.
哈喽， 亲爱的。
A man knows his companion in a long journey and a little inn.
路遥知马力，日久见人心。
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。