它可能帮助人们在疾病或事故后再次行走。
It might help people walk again after an illness or an accident.
美国多一半的家庭破产案是由严重的疾病或事故导致的。
More than half of household bankruptcies in the us are caused by a serious -illness or accident.
美国多一半的家庭破产案是由严重的疾病或事故导致的。
More than half of household bankrupting in the us are caused by a serious illness or accident.
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