lifestyle作为集合名词是不可数的；作为多少种，哪一种lifestyle是可数的。需要结合具体作为什么意思和具体语境才能判断是否可数。lifestyle意思是生活方式，工作方式，复数形式是lifestyles。

lifestyle相关例句

It was a big change in lifestyle when we moved to the country.

我们迁居到乡下，这在生活方式上是个巨大的变化。

Traditional beliefs still flourish alongside a modern urban lifestyle.

现代城市生活方式盛行的同时，传统信念仍然大行其道。

His public speeches are in direct contradiction to his personal lifestyle.

他的公开言论与他本人的生活方式恰恰相反。

The school imposes a very regimented lifestyle on its students.

学校将非常死板的生活方式强加给学生。

She preached about the benefits of a healthy lifestyle.

她宣扬了健康生活的好处。