| 释义 |
betterment美 ['betərmənt] 英 ['betə(r)mənt] n. furtherance,improvement,advancement,benefit,progress 1. | 改进；改善；改良the process of becoming or making sth/sb better |
n. | 1. a change that improves something, especially somebody's financial or social condition 2. improvement of a building or land that increases its value |
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