額外性 Save Sign in to save words Simplified: 额外性 éwàixìng ㄜˊ ㄨㄞˋ ㄒㄧㄥˋ additionality (economics) Character by character 額(é)forehead 外(wài)outside 性(xìng)nature A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0