Hand washing doesn't take much time or effort, but it offers great rewards in terms of preventing illness.
洗手不需要花费很多时间或者很大的力气，但是它在预防疾病方面提供了巨大的回报。
Washing and drying full loads is also more cost-effective in terms of power and water consumption.
一次性洗好和烘干所有的衣服更加节能和节水。
Washing and drying full loads is also more cost-effective in terms of power and water consumption.
一次性洗好和烘干所有的衣服更加节能和节水。
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