Now, people are getting richer and richer. Let's think, what will the life be like in the future? In the future, we won't have to change many clothes every day. We will wear a kind of special clothes. We can be warm when we feel cold and be cool when we feel hot. They will have many beautiful colours. We can change the colour we like anytime. the future, there are more and more kinds of food we can choose. They will be much more delicious than now. They will not be expensive. We can...