In one version, students attend school for nine weeks and then have three weeks off.

一个版本里，学生上学九个星期，然后有三个星期假期。

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B Instead of Chinese summer vacation and winter vacation, Americans have two or three weeks off from work specifically for vacations.

取而代之中国的寒暑假，美国人的工作假期也有两、三个星期。

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With about one language disappearing every two weeks, some of these have probably already died off.

这些濒危语言大约每两周消失一个，现在有的语言可能永远消失了。

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There have been concerns expressed that a run-off election cannot safely be held in the coming weeks because of security threats and oncoming winter weather.

VOA: standard.2009.10.19

That's grown to 80 percent, a sign that his attempts to look presidential in the past few weeks have paid off.

CNN: Poll: Most favor bipartisanship; Democrats, not so much

Repeatedly, opposing point guards in recent weeks have gone off on the Knicks, exposing the team's lack of lateral quickness there.

WSJ: Knicks Should Consider Plan B

"There have been a number of similar incidents over the last few weeks where fireworks have been let off on car bonnets, " he added.

BBC: Vehicles damaged after 'explosion' in Denbigh