民以食为天。我国人口众多，一幅“面朝黄土背朝天”的画面深刻印在每一代中国人的头脑中，是我们对自己生活方式最古老、最根本、最广泛的心理认同。但世界在变化；新技术让周围一切都日新月异。已经延续了几千年的传统农业肯定有一些事情要发生了。它对我们意识中最固执的记 People eat food for the day. With a large population in our country, a picture of “facing the loess back to the sky” has been deeply imprinted on the minds of every generation of Chinese people. It is our oldest, most fundamental and most extensive psychological identity of our own way of life. But the world is changing; new technology keeps things up and going fast. There have certainly been some things that have taken place in traditional agriculture that have lasted for thousands of years. It is the most stubborn mind in our consciousness