一些最珍贵的郁金香是白色带紫色条纹的，或红色、花瓣上带黄色条纹的，甚至深紫色的郁金香是非常珍贵的。

Some of the most prized tulips were white with purple streaks, or red with yellow streaks on the petals, even a dark purple tulip that was very much prized.

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红色肉类是最大、最臭名昭著的排放源之一，但一月份从加利福尼亚州向明尼苏达州运送沙拉也带来了相当重的负担。

Red meats are among the biggest and most notorious emitters, but trucking a salad from California to Minnesota in January also carries a significant burden.

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最便宜的东西是一篮子红色水果。

The cheapest thing was a basket of red fruit.

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But if you look at 1860, the bottom map, if you can vaguely see those deep, dark, red areas, you can see where cotton moved, where slavery moved in the domestic slave trade, and then where Southern political power moved.

看看1860年,就在地图的最底部,如果你们能看到这些深红色的区域,你们就能明白棉花种植地的扩大,是如何导致奴隶需求量扩大的,同样变化的还有南方政权力量

耶鲁公开课 - 美国内战与重建课程节选