One study of men who were seeking penile enlargement surgery found that most of the men had penises that were in the average size range, despite their belief that they had unusually small penises.

一个对那些寻求小弟弟增大手术的男人的调查发现他们中的大多数的小弟弟尺寸在正常的范围里，尽管他们认为他们的小弟弟是不正常的细小。

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