这个水上渔村的居民属于疍家人，一个曾经分布在华南各地的古老民族。疍家人在沿海的水道上谋生，在社会边缘生存下来。
The residents of this floating village are members of the Tanka group, an ancient people scattered across southern China who have survived on coastal waterways, and on the margins of society.
在新西兰，这种植物传播地很快，它将沼泽地的边缘变成了广阔的盐土草地，并且使利用那片沼泽（生存）的鸟类和动物的数量和种类下降。
In New Zealand the plant has spread rapidly, changing mudflats with marshy fringes to extensive salt meadows and reducing the number and kinds of birds and animals that use the marsh.
但是他们发现在边缘还给他们留有生存的余地。
Instead, they discovered that the margin has room even for them.
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