The animation uses a "hot metal" colour scale that begins at dark red and progresses through orange and yellow to white at the highest levels of activity.

影片里用色线标出了活动等级：由深红开始，逐步过渡桔红，再到黄色，进而显成白色这一最高等级。

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Intermediate yellow fever: In humid or semi-humid parts of Africa, small-scale epidemics occur.

中间型黄热病：在非洲潮湿或半潮湿地区，时而发生小规模流行病。

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But as the scale grows and the demand for biofuel crops seems to be infinite, we're seeing some negative effects and we need to hold up a yellow light.

但随着规模增长，对生物燃料作物的需求似乎无穷无尽，我们看到一些负面影响，需要举起黄灯。

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This allows Chiquita to deliver bananas with the colors requested by the customers, which falls anywhere on a nine-point scale ranging from green to deep yellow.

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The combined company should bring considerable scale and resources and perhaps bring the vintage yellow and black brand to its namesake prominence.

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To export yellow potatoes, farmers need to deal with bugs and fungal diseases, and to produce on a larger scale.

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