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冰冻三尺非一日之寒,疾病的形成也有个渐进过程,而且在发病之前人体会发出两次警报,平时多留意有助于防患于未然。
Frozen is not cold day by day, the formation of the disease also has a gradual process, but before the onset of the human body will issue two alerts, usually pay more attention to help prevent problems.