The problem, says Mr Carr, is that most of us with access to the web spend at least a couple of hours a day online—and sometimes much more.

卡尔先生说问题就在于有途径上网的人每天至少花几个小时在线，有些时候上的更久。

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The problem, says Mr. Carr, is that most of us with access to the web spend at least a couple of hours a day online-and sometimes much more.

卡尔先生说，问题就在于我们大多数有途径上网的人每天至少花几个小时在线，有些时候上的更久。

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"What we discover is that investigation into one crime often leads into criminal activity in another, sometimes much more serious than what we were originally looking at," he said.

“我们的发现是，针对一项犯罪活动的调查往往可以把我们引至有关另一项犯罪活动的调查，有时候后者会比我们原先调查的事情严重得多，”他说。

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We'll see later on, there are classes of computation that are inherently much more complex. We hate them, because they're costly, but they're sometimes inherently that way.

我们会稍后详细的讲讲这个,有许多内在更加复杂的种类的算法,我们痛恨它们，因为它们很耗时。

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And that's OK to have a healthy perspective of yourself and a healthy view of yourself and your body, but to the point where those extra 20, 30, 40, 50 and sometimes much more pounds increase your risk of disease, we've got a problem.

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Indeed, Mr Kwasniewski may be forgiven for sometimes thinking how much more agreeable it is abroad than at home.

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In the post-WWII era, the top tax rate has been as high as 94% and as low as 28%, yet tax receipts as a percent of GDP have been roughly 17% to 19% of GDP sometimes a bit more, sometimes a bit less, but never much more or less.

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