之前的研究发现，皱纹的出现于年龄直接挂钩，在我们二十多岁和四十多岁时，是皱纹出现的频繁时期。

Previous research has linked the rate of wrinkling to age, with our 20s and 40s being the prime time for crinkles and creases to appear.

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那种认为在我们二十多岁时达到巅峰状态，然后缓慢地下降，直到我们老的时候，我们大脑只会越用越旧，好像不是由树状的树突组成我们的大脑，而是破布组成的，甚至记不住自己的名字。

That it's at its best in our twenties, then slowly declines - until we are left in old age with tatters instead of dendrites in the brain and can't even remember our own name.

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