Her monitor has shown that air pollution levels are higher closer to ground level, which has helped highlight concerns that babies and young kids may be at higher risk of developing lung problems.

她的监测仪显示，越是接近地面，空气污染水平越高。这凸显了人们的担忧，担心婴儿和幼童患肺部疾病的风险可能会增加。

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Facebook, which is just turning six, has achieved a level of maturity most wags thought would never come.

Facebook刚刚迎来6岁生日，它到达了许多人都意想不到的成熟阶段。

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It also offers a more secured model in which each item or document stored has a different level of security.

它还提供了一种更加安全的模型，其中的每个项目或文档都具备不同的安全级别。

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In five of them, the rate at which fish are being taken out of the sea has dropped to a level that should let the populations recover.

VOA: special.2009.09.08

The rest of contemporary history, including all of the stormy events leading up to Milton's own beloved Puritan Revolution, in which Milton himself, of course, had participated -all of that has been at least at the literal level, at the explicit level, expunged from the poem.

接下来的当代历史，包括所有引领着弥尔顿所钟爱的清教徒革命的,暴风性事件，在那场革命中，弥尔顿本人也参与其中,-所有那些至少在文义层面，在独立于本诗之外可说清的层面，都是很重要的。

耶鲁公开课 - 弥尔顿课程节选

I would be careful and not have all your money invested in stocks. I would look at a lot of these distressed debt--some of the distressed debt that has gone down. I don't know if you understand that but some of the debt that--even bank debt, which is the highest level, I think, has become very cheap.

我会非常的小心，不会把你们的钱全部都,投在股票上，我会寻找一些,不良债务--一些不良债务的价格已经下跌了,我不知道你们是不是理解这些东西,但一些债务--即使是银行债，它们的保险级别较高，我觉得，价格都已经很便宜了。

耶鲁公开课 - 金融市场课程节选

Liability costs are also lower in Canada, which has the same level of social spending as the U.S., study authors said.

FORBES: Study Pins Higher U.S. Liability Costs On Lawyers, Court System

Market is now focused on Italy, which has a high level of debt and low growth, but a small deficit (no primary deficit).

FORBES: And Now to Really Scare you About Italy

And stopping, or slowing, that virus is not impossible, as the example of Uganda, which has reduced its level of infection from 14% to 8% over the past decade, shows.

ECONOMIST: Even in Africa, it can be won