A lot of it can't produce the crop you would most like to grow.

大多数土壤并不能栽种出你最想要的作物

耶鲁公开课 - 古希腊历史简介课程节选

The reason for that is, if you are just engaged in a single crop farming, well you plant it, you take care of it, and then when the times comes you reap it.

其中的原因是,如果只是种庄稼,你先播种,接着你好生照料它们,然后成熟时收割它们

耶鲁公开课 - 古希腊历史简介课程节选