该研究结果发表于《美国流行病学期刊》(the American Journal of Epidemiology)。 研究未证明婚姻状况的改变会直接导致健康变化——不管是变好，还是变坏。
The findings, reported in the American Journal of Epidemiology, do not prove that a change in marital status directly causes the change in fitness -- for better or worse.
然而，食物变坏不仅会造成健康风险，也会导致经济损失。
Yet spoiled food not only creates health risks but also economic losses.
绝缘薄膜材料在长期的运行过程中，受到电、热、机械和环境因素的联合作用，其性能将因此逐渐变坏，并最终导致绝缘击穿。
During the long operational time, the film insulation is exposed to the electrical, thermal and mechanical stresses, which will cause insulation degradation and lead to breakdown finally.
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