可持续性不仅是一种趋势，更是未来农业的基础。

The first man who， having enclosed a piece of ground， bethought himself of saying 'This is mine，' and found people simple enough to believe him， was the real founder of civil society.

译文：年纪大了经不起生死离别，在异乡的日子里眼泪总打湿衣裳。