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。
He wondered if hand washing could restore more than just a sense of moral purity. After all, "cleanliness is next to godliness," but people also often talk about "starting over with a clean SLATE."
他不知道洗手是否能够恢复道德上的纯洁感，毕竟，“清洁是仅次于圣洁的”，但人们也经常谈论要“从一个干净的记录重新开始。”
You can't cast a stone without hitting a list of tips to save the planet, but few of them come with any hard data on how hand-washing your dishes will save polar bears.
你扔块石头就不可避免地击中一堆有关如何拯救地球的建议，可是这些建议很少有确凿的数据可以说明手洗盘子就能拯救北极熊。
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