If scientists are genetically altering animals to create milk for a different species, is that even ethical, let alone sensible?

如果科学家改变动物的基因从而为其他的物种制造奶乳，这是不是太不合理，甚至太不道德了？

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As the number of job losses and foreclosures has mounted over the past two years, some people have chosen to surrender their animals, unable to afford pet food let alone veterinary care.

随着失业和抵押品赎回权的取消在过去的两年里不断攀升，一些人决定抛弃他们的宠物，因为他们买不起宠物食品，宠物医院的服务则更是高价。

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They were cut off from the outside world, the soil, the trees, let alone the small animals. They live in an enclosed environment.

孩子们接触不到泥土，、树木，更没有机会去观察小动物的生活方式，他们生活在完全封闭式的环境里。

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They were cut off from the outside world, the soil, the trees, let alone the small animals. They live in an enclosed environment.

孩子们接触不到泥土，、树木，更没有机会去观察小动物的生活方式，他们生活在完全封闭式的环境里。

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