Yahoo's network knows many things about recent high-school graduate Cate Reid. One is that she is a 13- to 18-year-old female interested in weight loss.

雅虎的网络知道很多关于高中毕业生凯特·里德的事情。其中一件是她是一个对减肥感兴趣的 13 到 18 岁的女性。

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As you read this, you are likely aware of what time it is, how old you are, your checking account balance, your weight, and so on.

当你读到这篇文章的时候，你可能会意识到现在的时间，你的年龄，你的支票账户余额，以及你的体重等等。

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The lucky ones have families to return to when they are old enough to carry their weight back on the farm.

一些幸运儿在他们年龄足够大，能够依靠农场生存的时候还可以组建他们自己的家庭。

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This would be an average adult male, 30 years old, the average height and weight, and surface area and temperature, and lots of characteristics of an average person.

包括普通成年男性,三十岁,平均身高和体重,平均表面积和体温,还有许多其他数据

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But really, does it make sense to overpay for a 31-year-old with a weight problem when the money could be invested better elsewhere?

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That diverts from landfills about 97% of the weight of old machines on average, IBM says.

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As Lang got healthier, Tammy Rones signed onto the women's chat group as "Marathon Mom, " even though the 49-year-old's problems with weight and a clubbed foot sidelined her from most sports over the past few years.

CNN: Virtual meetups spark real fitness