【简答题】Technology is life easier for some dairy farmers. They use robotic systems to milk their cows. Cows are trained to follow a series of paths that lead to milking stations. Only one cow at a time...
【判断题】We should drink only pure milk from cows fed on grass, but our industrial system keeps dairy cows inside walls and gives them food they are not supposed to eat—grain,soybeans, orange peels, cakes and ...