to alter
to advance
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→gai3jin4 • gǎijìn
to improve
improve, improvement, to make improvements, make improvements
我們 需要 改進 工作 方法。
We need to improve our working methods.
這 家 餐廳 正在 改進 服務。
This restaurant is improving its service.
你 覺得 哪裡 還 需要 改進？
What do you think still needs to be improved?