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Translation
improvement in Chinese：n.1.改良，改进，增进；进步。2.利用，活用。3.〔美国〕(增高房屋、土地等价值的)装修，改良措施。4.更优秀的人，更进步的人。短语和例子improvement of soil 【农业】土壤改良。 This letter is an improvement upon [on] your last. 这封信比你上次的好。
