为了确保肉类在冷藏期间的质量，应防止肉类在冷藏期间的变化，并做到保持冷却肉的冷藏条件和冻结肉的冻藏条件。

The change of meat in refrigerator should be prevented to ensure the quality, moreover, the chilling condition and freezing condition should be properly kept.

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We also, in Leviticus 11, meat dietary laws ; that are governed by criteria such as cud chewing and having a split hoof; you can only eat animals that chew the cud and have a split hoof.

在《利未记》11章提到肉类的饮食教规,吃肉是有条件的，比如倒嚼和分蹄类的动物;,你只能吃倒嚼且分蹄的动物。

耶鲁公开课 - 旧约导论课程节选

It's like when you have too much meat in the city, you decide to not eat any of it, so.

就像是在城市吃了太多的肉类，于是你决定再也不吃了。

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So economically it meant more-- it made more sense to eat meat under those circumstances, but of course the meat didn't exist in all places of the world, so some people were dependent on plants.

因此,从经济角度看,在那样的环境中,食肉更加合理,当然肉类并不是世界各地到处都有,因此,有些人们就依赖于农作物

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选