betterment汉语翻译：
n. 改进, 改善, (不动产)增值
【法】 改良, 改善, 地产增值英语解释：
名词 betterment:

a change for the better; progress in development同义词：improvement, advance

an improvement that adds to the value of a property or facility

the act of relieving ills and changing for the better同义词：amelioration, melioration

详细解释：
bet.ter.ment
n.（名词）
An improvement over what has been the case:
改善：对现有情况的改进：
例句：
financial betterment.
财政状况的改善
Law An improvement beyond normal upkeep and repair that adds to the value of real property.
【法律】 房客修缮房屋：超出一般保养和维修的修缮以增加房产的真实价值

betterment