What we had failed to understand was that these seasonal humidity environments of the world, the soil and the vegetation developed with very large numbers of grazing animals, and that these grazing animals developed with ferocious pack-hunting predators.
สิ่งที่เราไม่อาจจะเข้าใจ คือความชื้นตามฤดูกาลบนโลกใบนี้ ผืนดินและพืชผัก