to alter
to advance
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to improve
improve, improvement, to make improvements, make improvements
我们 需要 改进 工作 方法。
We need to improve our working methods.
这 家 餐厅 正在 改进 服务。
This restaurant is improving its service.
你 觉得 哪里 还 需要 改进？
What do you think still needs to be improved?