每天练习钢琴都能带来一点进步。

Daily piano practice brings small ___improvement every day.

新安装的空调显著提升了办公室的舒适度。

The newly installed air conditioner was a major ___improvement to the office's comfort.

新装修的厨房比之前有了很大的改进。

The newly renovated kitchen shows a significant ___improvement over the old one.