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。
Now a new study published Friday in Science asks whether hand-washing can wipe the slate clean of any past behavior — even everyday decisions, like, say, choosing Paris over Rome for vacation.
如今在周五的《科学》杂志上发表的一项新研究正试图了解洗手能否洗刷掉人们对过去的任何行为的看法——甚至是日常决定，例如，选择去巴黎还是罗马度假。
Pumping clean water into villages and slums, and encouraging hand-washing is considered one of the most efficient means of reducing infant mortality.
我们把清洁的用水引入村庄或者贫民窟，并且鼓励洗手并认为这是减少婴儿致死率最有效的方法之一。
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