在其他条件相同的情况下，这意味着他们必须开拓出比农学家更大的土地面积，以获得相同数量的食物、衣服和其他必需品。

All else being equal, this means they must exploit larger areas of land than do agriculturalists to secure the same amount of food, clothing, and other necessities.

youdao

他们发现，这么长时间之后，鱼还是会游到它们第一次获得食物的地方。

They found that after such a long break the fish still went to the same place where they first got food.

youdao

在国内，我们正在努力，以确保我们最贫穷的公民获得他们需要的食物。

Here at home, we \ \ \ 're working to ensure that our poorest citizens get the food they need.

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