Hand washing is one of the most important things people can do to keep healthy.

洗手是人们保持健康所能做的最重要的事情之一。

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It's as if hand-washing in any form "wipes the slate clean" and removes the residual feelings and rationalizations associated with the choice, Lee said.

李说，这就好像任何形式的洗手都能“一笔勾销”，消除与选择有关的残留感觉和合理化。

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But frequent hand washing and avoiding close contact with people who have colds can reduce the likelihood of catching one.

经常洗手并避免与感冒患者密切接触可减少感染的可能性。

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