translation.en: And what was striking to me is that the farmers actually had no clue what was made of their pigs, but the consumers -- as in us -- had also no idea of the pigs being in all these products.
translation.zh: 最让我吃惊的是， 那些养猪户对于猪的用途 一无所知， 而对于消费者 -- 也就是我们 -- 也不知道 猪被用于制造这些产品。