费拉罗说，在那里，随着人们得到更多的钱，他们中的一些人可能会有更多的空地来饲养牲畜以获得肉类。
There, as people got more money, some of them may have more cleared land for cattle to raise for meat, Ferraro says.
世界上超过一半的农业用地被用来饲养牲畜。
More than half of the agricultural land in the world is used to raise and feed livestock.
目前，威尔士正在对机器人进行为期两年的试验，他们将训练“农场机器人”来放牧、监测牲畜的健康状况，并确保有足够的草场来饲养他们。
Robots are currently under a two-year trial in Wales which will train "farmbots" to herd, monitor the health of livestock, and make sure there is enough pasture for them to graze on.
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