The study based on an area in Mexico is cited to show that cattle raising has been a major means of livelihood for the poor.
引用这份基于墨西哥某地区的研究是为了说明养牛一直是穷人的主要谋生手段。
2
The cattle in front of me don't show any outward signs of being particularly special.
摆在我面前的这几只陶牛，乍一看外表上没啥出奇。
3
Thanks to Darwin, records on Chillingham cattle go back 150 years, and show a breeding response to climate change resulting in more winter calf deaths.