Now, people know more about medicine, people know the prevention of disease, of course, people will live longer.But the environment is more and more bad, more and more people with the disease.Now, people travel is very convenient, there are a lot of traffic tools, people work more and more convenient, the children's work are more complicated, complicated.People have a lot of free time, but people are more relaxed and lazy.
正在翻譯中..