Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.
一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。
We can observe gift cultures in action among aboriginal cultures living in ecozones with mild climates and abundant food.
我们可以观察到，礼物文化在气候温和、食物充足的土著人中很活跃。
We can observe gift cultures in action among aboriginal cultures living in ecozones with mild climates and abundant food.
我们可以观察到，礼物文化在气候温和、食物充足的土著人中很活跃。
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