导游说到，每年都有一块如同加州大小的雨林面积被摧毁，以为了降低饲养牛的成本来获得便宜的牛肉，或者放牧其它动物来当作食物源或者收入。

The tour guide said that a rainforest regions the size of California is being destroyed each year for the purposes of raising cattle for cheap beef or grazing other animals for food source or income.

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