Wash your face too often — more than twice a day — and you can damage the natural lipid barrier, the protective mantle of lubrication that keeps skin looking and feeling healthy.

洗脸过勤--一天两次以上--你就可能损害皮肤天然的液体屏障，一种使皮肤看起来、摸起来健康的液体保护覆盖层。

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All hair needs moisture but curly hair even needs more to restore its natural shine, beauty and to stay healthy.

所有头发卷曲的头发更需要水分，但更需要恢复其自然绽放，美丽和保持健康。

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However, natural advantage cannot be the whole story as female centenarians are more likely than their male peers to have ridden to 100 on the back of healthy lifestyles.

然而，先天优势并不是事物的一切，女百岁老人更可能比其男性同龄人能凭借其健康的生活方式而活到百岁。

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The ecosystem is returning to a more healthy, natural state.

CNN: Yellowstone wolves get their day in court

Both approaches involve investments in the billions and rely on a healthy spread between low-priced natural gas and more costly petroleum-derived diesel.

FORBES: Sasol's Answer to the Natural Gas Highway: Convert the Fuel