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雨衣比雨伞更实用，伞能遮雨，挡不住突突车带起的泥点和侧向雨；一件超轻薄雨衣能同时保护你和包。不过雨伞可以同时起到防晒和防雨的作用，建议按需携带。同时，最好也带一些防水袋用来保护随身携带的电子设备、证件和钱包。。业内人士推荐超级权重作为进阶阅读
\nTo test their theory that the gut microbiome plays a role in the “senior moments” many of us experience, the researchers housed young (2-month-old) mice together with old (18-month-old) mice. Living (and pooping) in close proximity exposed the young mice to the gut microbiomes of the old mice and vice versa. After one month, the researchers examined the compositions of the microbiomes of the old and young animals.