The herd size is what makes pastoralism a bit economical, but once the herd size shrinks it becomes really uneconomical.
让游牧很经济的是畜群规模，但是一旦畜群规模缩小，游牧就会变得相当不划算。
The herd size is what makes pastoralism a bit economical, but once the herd size shrinks it becomes really uneconomical.
让游牧很经济的是畜群规模，但是一旦畜群规模缩小，游牧就会变得相当不划算。
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