We will have developed traffic.

People will work and study at home. The robots will be used everywhere. People who get serious disease can be treated now .With the development of the world economy people will live better and better . But environment problems become more serious . Some people think the earth is not suitable for people to live in .

We should look for another planet to live in .

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我们会有发达的交通。

人们将在家里工作和学习。机器人将无处不在。现在人严重的疾病是可以治疗的。随着世界经济的发展人们将会生活得越来越好。但是环境问题变得更加严重。有些人认为地球是不适合人们居住。

我们应该寻找另一个星球。