From the last paragraph, we can find that exercise plays an important role in people's life for keeping healthy.

从最后一段，我们可以发现在人们的生活中，锻炼对保持健康起着重要的作用。

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Keeping healthy may make a mild case of flu even milder.

保持健康能够降低流感的风险。

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Could you please give me some Suggestions for keeping healthy?

你可否给我一些关于保持身体健康的建议？

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Keeping banks healthy, he wrote then, required keeping them profitable, something that too much competition might prevent.

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Losing 10 percent of your weight, staying physically active, not smoking and eating a healthy diet that includes lots of fruits and vegetables will go a long way toward keeping you healthy, regardless of where you fall in the BMI chart.

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Another team at MIT's Media Lab have been looking at other ways of keeping people healthy.

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