schools will only exist online
we will hand in our homework by mail
women will get rid of all kinds of housework because of the robots
pandas will be our pets
food will be kept for a long time,so we don't need to spend much time on shopping
planes will be much smaller and everyone can afford them
water will be clearer and we can drink it without boiling
some people will live on the moon
earth will not be our homeland and it may be a place to travel
dalian是大连的意思吗
dalian will be an underwater city