adj.+ life, routine, expenses每天的；日常的
the day-to-day lives of students学生们的日常生活
I am a vegetarian and use a lot of lentils in my day-to-day cooking.我是一个素食者, 日常烹饪时会用到很多小扁豆。
on a day-to-day basis
1.(day by day)一天天地；逐日
We are having to look at things on a day-to-day basis.我们必须逐日来看问题。
2.(every day)每天；每日
He would not speculate about how much it would cost to keep the newspaper operating on a day-to-day basis.他是不会去推算这份报纸的日运营成本的。