但是对于美国的放牛者和牧场主来说，偷牛是一直真实存在的事情。
But to cattlemen and ranchers in the United States, it is has always been part of real life.
根据提倡者TonyLovell和BruceWard所说，这个主意可以通过改变放牛的方式以及在无动物区增加放牧动物的方式实现。
This could be achieved by changing the way we graze cattle and by adding more grazing animals in regions that currently have none, according to advocates Tony Lovell and Bruce Ward.
放牛吃草一整天之后，牧牛者在黄昏时把牠们还给主人。
After grazing the cattle all day long, the cowherd returns them to the owner in the evening.
放牛吃草一整天之后，牧牛者在黄昏时把牠们还给主人。
After grazing the cattle all day long, the cowherd returns them to the owner in the evening.
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