从经济学的角度来看，说服思想开放的乳品业人士其实没有那么困难。
Convincing open-minded dairy people is actually not that hard when you look at the economics.
让事情更糟的是，它的肆虐生长正值当时农业的彻底改变及由牧羊业向乳品业的巨大转变之际。
What made matters worse was that its proliferation coincided with sweeping changes in agriculture and a massive shift from sheep farming to dairying.
乳品业饲养的牛主要供生产牛奶。
应用推荐