quality可數嗎

例句

Everyone can greatly improve the quality of life

每個人都可以大大改善生活質量。

I assure you of its quality.

我向你保證它的品質。

Not a high quality sound AT ALL, but I have fun with it.

沒有一個高品質的.聲音在所有，但我已與它的樂趣。

Quality over quantity should be your goal.

您的目標應該是質量勝過數量。