"Eat healthy food every day" 可以说成 "Have a healthy diet on a daily basis".

来源：这个短语是用来表达健康饮食习惯的。

一些英文例句及其中文翻译如下：

Example 1: I try to eat healthy food every day to keep myself fit.
我尽量每天吃健康的食物来保持健康。

Example 2: It's important to have a balanced diet and eat healthy food every day.
重要的是保持平衡的饮食，每天吃健康的食物。

Example 3: Eating healthy food every day can improve your overall health and well-being.
每天吃健康的食物可以提高你的整体健康状况和幸福感。