Equimarginal principle
[经] 平衡边际原则
🧩 词语组成解析
🗣️ 情景例句
That's a good buy.
那买得便宜。
That's good wisdom which is wisdom in the end.
最后的聪明才算真聪明。
In that case, we can offer you a discount.
这样的话，可以给你折扣。