He says hand tools like tilling forks, shovels and thatching rakes require more work than a rotary tiller, but they work well and cost less.

VOA: special.2010.09.28

Abel is a keeper of sheep. He represents the nomadic pastoralist, unlike Cain who is the tiller of soil, so he represents more settled urban life.

亚伯是一个牧羊人，代表着不断迁徙的牧场主，而该隐是一个农夫，他代表在城市定居的人。

耶鲁公开课 - 旧约导论课程节选