translation.en: And that's especially because this world population is increasing, and it's increasing, not only in numbers, but we're also getting wealthier, and anyone that gets wealthier starts to eat more and also starts to eat more meat.
translation.zh: 这尤其是因为世界人口总数 在增加， 不仅仅是数量的增加， 而且我们也变得富有了， 人们一旦富裕了就会开始吃更多的食物 也开始吃更多的肉。