Their aim was to determine the relationship between these risk behaviors and mental health issues in teenagers.

他们的目的是确定这些危险行为和青少年心理健康问题之间的关系。

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For a century, we have known that many of these risk factors are genetic.

一个世纪以来，人们认识到，许多危险因素是有遗传性的。

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These urge local officials to balance to risk of flu in their communities with the problems that school dismissals could cause.

VOA: special.2009.08.13

I think that these countries are somewhat trying to manage this oil risk but they can't yet get onto the frontier.

我想这些国家或多或少,都试着控制石油风险,但他们根本无法达到有效边界。

耶鲁公开课 - 金融市场课程节选

The Fed is taking on a serious risk in doing this because these assets that it takes on in exchange for Treasury securities could fail.

美联储这样做很有风险,因为这些他们作为国库证券交换来的,资产可能是个烂摊子。

耶鲁公开课 - 金融市场课程节选

Outsourcing providers will need to manage these risk concerns to secure long-term client relationships.

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These risk-on days recently have been more bullish than bearish for the gold market.

FORBES: Comex Gold Firmer as Trading Remains Choppy; Bull Still Have Technical Advantage

But these risk gumming up decision making, defeating the original object of the exercise.

ECONOMIST: Local government