To meet their  nutritional requirements they have to travel vast distances.

为了满足他们的营养需求，他们必须长途跋涉。

We need to think about nutritional requirements when we eat and beef is way more nutrient-dense, so yea, 122 liters used to make a quarter pound of beef is not nothing.

当我们吃饭的时候，我们需要考虑营养需求，牛肉的营养密度要高得多，所以是的，用 122 升来做四分之一磅牛肉并非一无所值。