with the development of our sociaty,there are an increasing number of people coming to realize the significance(重要性）of mood.
some people believe that it is of little importance because mood dosen’t affect their life while others argue that mood can be helpful for us.
as far as i’m concerned,i take it for granted that wo should spare no effort to keep in a good mood.
原创，打英语很费劲的，给点分吧
