它们无法复制，抛开它们本身可以被转变和被提取出的信息不说，我们现代的媒母产品是否能向前迈一步开始一种新的复制方式，就像我们的原始人祖先在多年以前做的那样呢？
They cannot copy, let alone vary and select information themselves. So could any of our modern meme products take the step our hominid ancestors did long ago and begin a new kind of copying?
当我们的祖先开始模仿之后他们创造出了很多的媒母，这些媒母又在人类的脑海中为它们自己的繁衍而竞争。
Once our ancestors could imitate they created lots of memes that competed to use their brains for their own propagation.
我们的母辈祖先希望继续采集食物和喂养婴儿的工作，而喂养每个小孩可能需要两年的时间。
Our female ancestors would have wanted to get on with tasks such as food gathering, Suckling their infants as they went, and they might do this for two years per child.
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