If you've been going 19 days without any food, you know, someone just has to take the sacrifice.
如果你已经19天没有进食,那么总得有人要作出牺牲。
But if you take an animal and you give it a new food and then you shock it very painfully it won't avoid the new food.
但如果你给动物吃一种新食物,然后电击它,令其感到疼痛,它仍然会进食这种食物。
If you've been going 19 days without any food, you know, someone just has to take the sacrifice, someone has to make the sacrifice and people can survive.
如果你已经19天没有进食,那么总得有人要作出牺牲,必须有人牺牲,其他人才能活下来。
Another is how much it's processed and how if you take things that started out as food like wheat or corn, and then they're processed many different ways, and things are added to them or done to them that change their chemical properties, does that affect whether we would consider them food?
另一个是它们被加工过程和程度,比如对于用来食用的麦子和玉米,有很多种加工方式,可以向它们添加一些东西,或进行一些加工去改变它们的化学性质,这会影响我们去判断它们是否为食品吗
So if you take an animal and you give it a new food and then you give it a drug to make it nauseous it will avoid that food.
所以,如果你给动物吃一种新食物,然后你喂它某种药物,让其感到恶心,它就会避免进食这种食物。
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