improvement ·phrase
Definition: If there is room for improvement, something can be made better. Level: C1
他的工作不差，但仍有改进的余地。
His work isn't bad but there's still some ___room ___for ___improvement.
她的英语不错，但仍有提升空间。
Her English is good, but there is still ___room ___for ___improvement.
这款新软件功能可用，但其用户界面还有很大的改进空间。
The new software is functional, but there's plenty of ___room ___for ___improvement in its user interface.