求翻译：我看到个笑话；内容是有一天，妈妈问儿子：“儿子，你说现在路上这么多网吧，这网吧到底是干什么的。”儿子还没有回答，恰好爸爸在旁边听见了，对妈妈说：“活了这么大岁数，连王八都不知道，王八就是在水里游的，长着四条腿，俗称“老鳖”的东西！”是什么意思？

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I see a joke; The content one day, mother asks the son: “The son, you said on the present road such many Internet bars, this Internet bar does any.” The son had not replied that, the daddy has heard exactly in side, said to mother: “Has lived the such big age, all did not know the tortoise, the tort

I see a joke; the content is one day, my mother asked his son: "son, you say now on the road so many Internet cafes, Internet cafes are doing. "The son also did not answer, just next to the father heard this, MOM said," so old, even the tortoise is not know, King eight is swimming in the water, with

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