邊際成本 Save Sign in to save words Simplified: 边际成本 biānjìchéngběn ㄅㄧㄢ ㄐㄧˋ ㄔㄥˊ ㄅㄣˇ marginal cost Character by character 邊(biān)side 際(jì)border 成(chéng)surname Cheng 本(běn)root A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0