This is work generally done by a person who recently earned a PhD, or doctor of philosophy degree.

VOA: special.2009.01.15

We can understand something that's fully random and work out the statistics and be comfortable with that to some degree.

我们能够理解一些,充满随机性，然后通过统计分析来解决的问题,而且一定程度上我们对此也很熟悉。

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The university decided not to award him an honorary degree, saying his body of work is "not yet finished."

VOA: standard.2009.05.17

Kids are going to come here, get a meaningful degree and work hard to achieve that degree.

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And to some degree they work, though they make no difference once you blow through the deductible.

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To what degree this work and pipe-clogging are problematic depends again on scale.

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