Yellow is an unstable and spontaneous color, so avoid using yellow if you want to suggest stability and safety.

黄色是不稳定且自发的颜色，所以如果你想暗示稳定性和安全性，应避免使用黄色。

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Perhaps you know about our school buses: They are nearly always bright yellow with black lettering showing the name of the school. They also have many special lights on them for safety.

可能你知道美国校车，它们几乎都是明黄色，上面的黑色字母是学校名称，车身上还有许多出于安全考虑设置的灯。

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A: Wait behind the yellow safety line; refrain from sticking your head out when the train pulls in.

答：等候列车请务必站在黄色安全线后，列车进站不要探头张望。

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Race workers in yellow volunteer jackets and police in yellow safety vests were running past me.

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The yellow safety flags came out after a collision between Red Bull's Sebastian Vettel and Robert Kubica in his BMW Sauber.

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Dr Herxheimer, aided by Charles Medawar, from Social Audit Ltd, which has campaigned on antidepressant safety, examined more than 1, 000 yellow card reports about Seroxat.

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