这种困难将是确定无疑的,因为能源的匮乏将使高能量消耗的美国农业模式难以继续下去,而这种模式使投入少数农民就能获得高产成为可能。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the high-energy American fashion that makes it possible to combine few farmers with high yields.
要实现刑罚的效率,关键是使投入的刑罚成本恰到好处,同时刑罚成本资源间的配置达到最优组合。
In order to achieve the efficiency of penalty, the key step is an appropriate input of penalty cost, optimizing the allocation of penalty cost resources.
这笔遗产使他能够尽情投入他热爱的艺术。
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