The more important goal is using interactive learning to discover the cause of the decline and compare it to issues we face today—natural disasters, environmental problems, and war.

更重要的目标是利用互动式学习来发现减少的原因，并将其与我们今天面临的问题——自然灾害、环境问题和战争——进行比较。

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However, today is a new era in which taking antibiotics can cause some very dangerous and potentially life-threatening situations.

然而，在当今这个新时代里，服用抗生素可能会造成一些非常危险、甚至可能危及生命的情况。

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You may eat in two hours. But don't rinseyour mouth today because it may cause bleeding.

两小时内您就可以吃东西了，但是今天不要漱口，那样可能会让牙齿出血。

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"It does not really matter because in the best case scenario we have today,we will still have a moderate virus that is projected to cause several million deaths extra deaths than the usual influenza annual mortality, which means that even in the best-case scenario, we do have an emergency on our hand,"

VOA: standard.2009.09.04

This is why the original trilateral partners joined the U.S. in promoting it a generation ago, and why the world's rising powers will rally to the cause today.

WSJ: Walter Russell Mead: The Myth of America's Decline

Conservatives ardently believe that big future deficits are the cause of today's unemployment.

CNN: Romney did Obama a huge favor

Therefore, the main cause for concern today lies with a force that even the Saudis may not be able to reckon with: terrorism.

ECONOMIST: The market is frothy again