That is, without trade, Figure 3-1 shows the possible combinations of meat and potatoes that the farmer and rancher can each consume.

既在不交易的情况下，图3 - 1展示了农夫和牧场主可以消耗的土豆和牛肉的可能组合。

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At that point, the government is able to trade off the features of various designs to find price-performance combinations best suited to its needs, as are the contractors offering competing solutions.

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