Luckily we put our valuable in innermost layer of our pouch.

幸好我们都把重要文件和钱放在最里面的暗格.

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That's because polyphenols improve skin's elasticity by strengthening collagen, the primary protein in skin's innermost layer.

这是因为多酚通过改善皮肤胶原蛋白的弹性, 它是皮肤最里层的主要蛋白质.

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