Perhaps as a result, he almost invariably read the enthusiasm of others as a yellow caution light, and he took their misery as a sign of hope.

或许正因为如此，格拉汉姆才几乎不变地将其他人的狂热视为黄色的警示信号，而在别人的哀叹中却能看到希望之光。

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It has glow caution light, nightlight, direct current output function that could emergency charging for mobile phone, digital goods and so on and has FM radio function.

且具有红灯闪烁警示功能；夜灯和射灯功能；直流输出功能(可向手机、数码相机等产品应急充电)和FM收音功能。

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Researchers caution that the use of such devices are particularly harmful to the sleep-onset process, since the artificial light can suppress release melatonin which is our sleep hormone.

研究人员提醒说，使用此类设备是影响人们进入深度睡眠的部分原因，因为电子产品的人工光源阻碍人体释放深度睡眠所需的褪黑激素。

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"It's putting a false sense on the market right now that everybody has this big flashing yellow light flashing, caution,caution,caution, so people are buying stuff you know in high volume than they usually buy.

VOA: standard.2010.05.08

And though I cannot move beyond or forget this, indeed I must always keep it as a caution light in my life.

CNN: Transcript: Clinton speaks to prayer breakfast

And this yellow light of caution is still prevalent despite the 14% rise in stock prices throughout 2012.

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When they get the green light, residents should proceed with caution.

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