改善
gǎishàn
to make better; to improve
In a story
通知上说，为了改善老年人的生活，城市将给老楼加装电梯，政府出一部分钱。It said that to improve life for older people, the city would add lifts to old blocks, and the government would pay part of the cost.加装电梯 · The Lift · HSK 4
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