Now more than ever, everyday meat eaters are considering the moral implications of raising billions of animals for food that our bodies can easily do without. " We don't need to eat it, "Dr.

甚至于那些习惯于每天吃肉的人，也意识到肉类并非人体必须的营养来源，为此养殖几十亿动物，其道德含义发人深醒。

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That's only part of the story, of course: meat and milk make up about 15 per cent of calories eaten by humans, so we would need to eat more grain to compensate for their loss.

当然，这只是一方面，肉类和牛奶制造了人体每天所需热量的15%，如果素食，我们需要吃更多的食物补充这部分能量。

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Now, we need to go a little bit further to put some more meat on this thing because we haven't quantified it.

现在我们需要进一步,丰富这些东西,因为我们没有量化它。

youdao

Now, we need to go a little bit further to put some more meat on this thing because we haven't quantified it.

现在我们需要进一步,丰富这些东西,因为我们没有量化它。

youdao