I exercise day in, day out.

我每天都做锻炼。

youdao

said people need to exercise thirty minutes each day for at least five days to get the health benefits of exercise.

VOA: special.2010.06.08

And that's how you make exercise day by day.

你就这样每天练习。

英语学习就要这样 - SpeakingMax英语口语达人

We're not asking you to change anything; in fact it's best for this particular exercise to eat as you typically would so you can get a sense of what an average day would be like for you.

我们不是要求你去改变什么,事实上,对于这个作业来说,保持以前的饮食习惯是最好的,以便了解自己平时的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

In The Happiness Advantage, I challenge readers to do one brief positive exercise every day for 21 days.

CNN: Is happiness the secret of success?

If you repeat the exercise next day, they achieve the same thing - but this time they do it even faster.

BBC: NEWS | Science/Nature | Ants - learning from the collective

George W Bush would also try to exercise every day, either running outside, or on a treadmill in his hotel room.

BBC: How much stamina does it take to become US president?