Even dairy farms, where robots do a small share of milking, have a long way to go before they're automated.
即使是机器人已完成一小部分挤奶工作的奶牛场，要实现自动化也有很长的路要走。
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For the farmer who takes care to keep them cool, providing them with high-energy feed, and milking them regularly, Holstein cows are producing an average of 2,275 gallons of milk each per year.