n.改善；（不动产的）增值；〈法律〉房客修缮房屋
Even though he is not morally perfect, we chose him in the hope of betterment. 尽管他在操守上不尽完美，我们是在一种希冀改善的期望中选择了他。
Always give some useful advice for the betterment of the club. 热爱俱乐部,积极向俱乐部提出宝贵意见和建议。
修缮经费
