问题之一是，人们通常将“锻炼”和“体力活动”混为一谈，而二者并不是一回事。

One problem is that people often confuse "exercise" and "physical activity." They are not the same thing.

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比如，这二者区别与体力劳动脑力劳动之间的区别并不是一致。

The difference does not , for example, coincide w ith the difference between a manual and a mental job.

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猜测集中到了索尼娅·索托马约尔身上，她是一位上诉法院法官(确切地说是第二上诉法院法官——译者注)，她的父亲，一位来自波多黎各的体力劳动者，在她九岁时就去世了。

Speculation swirls around Sonia Sotomayor, an appeals court judge who grew up in poverty in the South Bronx after her father, a manual labourer from Puerto Rico, died when she was nine.

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