她非常注重厨房的清洁，每天都要彻底打扫。

She pays great attention to the ___cleanliness of the kitchen and cleans it thoroughly every day.

他的一生以道德纯洁著称，从未沾染任何丑闻。

His life was known for its ___cleanliness, free from any scandals.

这款手表的设计简洁干净，体现了极高的工艺水准。

The ___cleanliness of this watch's design showcases exceptional craftsmanship.