英语翻译

问题描述:

英语翻译
Walking is ------ ------- ------- ------- ------- for a person to stay healthy

Walking is (one) (of) (the) (best) (ways) for a person to stay healthy.——用词最简单,适合低年级
Walking is (one) (of) (the) (optimal) (methods) for a person to stay healthy.
Walking is (one) (of) (the) (optimum) (approaches) for a person to stay healthy.
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