他们需走路小心，避开扔满了塑料袋的黑色地带，而那些塑料袋有些已经破裂，露出了里面的垢物。
Careful steps were required to avoid the black stream littered with telltale plastic bags.
健康护理律师robertFalk警告说：“但还是存在一些黑色地带，很多这样的地带。”
"But there's still a lot of gray areas here, and a lot of areas," cautioned healthcare attorney Robert Falk.
可是，黑色外表为各种复杂形式的物种所有，它们栖息在不同地带、有白天活动的也有黑夜活动的、有在地面生存的也有在树上生存的。
Melanic forms, though, are particularly prevalent in species with complicated lives—those that inhabit a range of habitats, are active both day and night, and move between the ground and the trees.
视界上的颜色并非只有白色和黑色，黑与白之间还有很漫长的灰色地带。
Field of vision is not only the colour white and black, between black and white there is a long grey areas.
这些天来它几乎不可能找到一个不小黑色太阳地带。
These days it's nearly impossible to find one without a little black solar strip.
黑熊幼仔，昨夜越过回廊灯光的黄色晕圈，消失在了越来越宽的黑色沼泽里，它不会被守林人发霉的炸面圈诱惑到安全地带。
Black bear cub, lost last night in the widening dark glade beyond the yellow hoops of porch lights, who would not be lured to safety by the game warden's stale doughnuts.
黑熊幼仔，昨夜越过回廊灯光的黄色晕圈，消失在了越来越宽的黑色沼泽里，它不会被守林人发霉的炸面圈诱惑到安全地带。
Black bear cub, lost last night in the widening dark glade beyond the yellow hoops of porch lights, who would not be lured to safety by the game warden's stale doughnuts.
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