betterment

名词 betterment:

1. a change for the better; progress in development
   同义词：improvement, advance
2. an improvement that adds to the value of a property or facility
3. the act of relieving ills and changing for the better
   同义词：amelioration, melioration

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