betterment

betterment
noun
  1. [mass noun]the improvement of something
    改善,改进,提高
    they believed that what they were doing was vital for the betterment of society.
    他们相信他们正在做的事情对社会改良至关重要。
    ■the enhanced value of real property arising from local improvements
    (因当地环境改善而产生的)(不动产)增值
    [as modifier]a betterment charge.
    不动产增值税。
英语宝典
考试词汇表