The rapid development of science and economy has promoted people have various ways of enjoying themselves indoors,such as TV,computer and so on.
However,it is outdoor activities that make people healthy.Firstly,people can breathe fresh air constantly when stay outdoors.Secondly,outdoor activities are helpful for people meet more friends and learn to get along with other people.Thirdly,most outdoor activities require physical excerise,which can keep people healthy.Apart from above mentioned,people tend to maintain good mood outdoors.
In short,outdoor activities does good for our mental and phycial health and hence we should take part in these activities more instead of being a couch potato.
就想出了这么几个优点