珍惜粮食，从你我做起，珍惜粮食，你我同行 一、粮食的重要性“民以食为天”，粮食是人类生存和发展的基础，Food is the most important thing for people. It is the foundation of human survival and development. 没有足够的粮食，人们的生活将陷入困境，...
