Soil is necessary for people's life.  土地是人类生活的必需品。

　　Plants can grow from soil. 植物依靠土地生长。

　　Soil gives plants a lot of nutrition.  土地为植物提供大量的营养物质。

　　Plants can make flowers and fruit with these nutrition. 依靠这些营养物质，植物可以开花结果。

　　Therefore, soil is very important for us. 因此，土地对我们很重要。

　　Soil has different colors. 土地有不同的颜色。

　　Sometimes it is brown, sometimes it is black, and sometimes it is even red.  它有时是褐色的，有时是黑色的，有时甚至是红色的。