【范文】：

　　The table above revealed an overall picture of employment satisfaction. Based upon the data of the table, most people under 40 are unclear or dissatisfied with their job, and 64% of those between 40 to 50, are not satisfied and no one feel satisfied at all. For people over 50, the degree of satisfaction largely exceeds the other groups, amounting to 40%. 

　　Such difference may be rooted in the following reasons. First, middle-aged people face more pressure to support the family, both the children and the senior, so that they neglect to enjoy in work. Second, the senior citizens has developed a lot in personality, so they are more prone to see the optimistic aspects of the work. Last, the conclusion that the current society patterns pose more challenges to the middle aged group under 50.

　　To sum up, the senior citizens enjoys more content than the young and middle-aged people under 50.