Equimarginal principle
[经] 平衡边际原则
🧩 词语组成解析
🗣️ 情景例句
You should take the number 1 train to Van Cortlandt Park.
搭一路车到Van Cortlandt公园下车。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
I have had so many falls that I am black and blue all over.
我摔了好几跤，全身又青又紫。