来自《耶鲁大学开放课程：古希腊历史简介 第11集 第11集》

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  of their soil, largely
  种植这些作物
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  because there's more and more of their soil
  因为有很多土地
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  that can grow that and nothing else.
  除了这些也不能种别的
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  But as they do,
  他们这么做的结果
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  the consequence is to make the agricultural output
  是让雅典的农业产品
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  of Athens much more diversified than it had been,
  比以前更多样化
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  which saves you--the more diverse your crops,
  而农作物越多样化
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  the less chance you have to be wiped out
  由于某种作物收成不好
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  in any one year by bad results,
  造成的损失就越小
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  and as a matter of fact,
  事实上
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  over time it became a very satisfactory device
  这后来成为一项非常适宜的举措
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  and helps explain again the health of Athenian agriculture
  也能很好地解释雅典农业