The area changed from a dry plain into highly productive farmland.

这个地区从干旱平原地区变成生产力高的农田。

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But good planning can turn a marginal resource into a highly productive one.

但是良好的计划可以将边缘资源转变成高产资源。

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But good planning can turn a marginal resource into a highly productive one.

但是良好的计划可以将边缘资源转变成高产资源。

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