The dry western chaco has no gold or oil, though wars were fought on the supposition it did; the east is more fertile, but still poor.

西部的查科地区没有黄金也没有石油，可是战火却从没有熄灭过；东部地区比较肥沃，但同样很贫穷。

youdao

Both groups are expanding aggressively. Their style of farming is totally unsuited to the fragile soils of the Chaco and will lead only to desertification and erosion.

这两大团体正以咄咄逼人的态势进行扩张，他们的耕种模式完全不符合查科脆弱的土壤条件，最终只会导致荒漠化和水土流失。

youdao

Ignacio Rivas, a conservationist with the Paraguayan group Guyra, said: "the fate of the Chaco lies with these groups."

巴拉圭一位环保人士伊格·纳西奥·里瓦斯指出：“查科的命运掌握在这些共同体手里。”

youdao

Grass-cutting ants occur in the Chaco region of north Argentina and Paraguay and belong to a subgroup of leaf-cutting ants that specialise in harvesting grass leaves.

BBC: Earth News - Ant's head balancing act revealed by video