作为集合名词是不可数的。作为多少种、哪一种讲，lifestyle是可数的。如：a healthy lifestyle。They enjoyed an income and lifestyle that many people would envy。他们的收入和生活方式会令很多人都羡慕不已。
lifestyle双语例句
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。
I started to feel a revulsion against their decadent lifestyle.
我对他们那腐朽的生活方式开始感到厌恶。