生活费用英语有哪几种表达方法？

living cost 这是我们常用的，没想起来别的表达方法
不要复数；至于the就看情况了，给你个例子吧：
In America, living cost is much more expensive than in China. But at this school, the living cost is included in your tuition.

cost of living
alimony
maintenance fee
living expenses