bet·ter·ment
noun/ˈbetəmənt/
/ˈbetərmənt/
[uncountable] (formal)- the process of becoming or making something/somebody better
改进；改善；改良 - His life offered me no hope of betterment.
他的生活没有给我带来改善的希望。
- His life offered me no hope of betterment.