这样才能保持健康用英语可以说成 "This is how to maintain good health" 。
来源：这句话是用英文表达保持健康的一种方式。
英文例句:
Eating a balanced diet and exercising regularly is how to maintain good health.
Getting enough sleep, drinking water, and avoiding smoking are ways to maintain good health.
中文翻译:
吃平衡饮食和经常锻炼是保持健康的方式。
保证充足的睡眠，喝水，避免吸烟是保持健康的方式。