由于土地贫瘠而无法耕作。

The poorness of the land makes farming impossible.

《牛津词典》

一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。

Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.

youdao

这是一项重要的发现，因为通过学习耕作土地，饲养动物，就可以有稳定的食物来源。

This was an important discovery, because by learning to cultivate the land, and care for animals, mankind would always have food steadily.

youdao

You move out to someplace that nobody bothered to farm before, because it wasn't profitable enough, because you need more land.

你搬到一块以前没人耕作过的土地上,因为它并不是那么有利可图,但是你需要更多的土地

耶鲁公开课 - 古希腊历史简介课程节选