When we reach Mars, we find everything is different. The public transport system(公共交通系统) is very comfortable and safe. People drive shared-cars which float in the air and this saves lots of space(节省许多空间). We all shop online(网上购物) on Mars with our computers and phones. And the robots will help send the goods to our houses. We don't need to go to school. Every student has a computer at home connected to(和……连接) an interplanetary network(星际网络). It is much more relaxing and interesting for the students to learn. And we also have more free time now with the help of(在……的帮助下) technology. We can pay more attention to(对……更加关注) the things we are really interested in.
That is the life on Mars.
本文第一段介绍了火星上的公共交通、购物、学生上学方式等等;
第二段总结全文。
文章包含了所给的所有要点、用词准确、地道,文章有逻辑、有层次、主次分明。