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Migrant workers have made a great contribution to the prosperity of cities。 They leave their home－land for better chances。 Some want to change their destiny， some want to make a fortune。 Whatever the purposes they cherished when millions of them streamed into big cities， they have promoted the development of cities。
Most of the migrant workers are hard working and unafraid of hardships。 They take up the dirtiest， the most strenuous or dangerous jobs which city laborers are unwilling to do。 With lots of building they have set up and streets they have kept clean， they have helped modernize and beautify cities。 Not only have they become the main work force in the construction sector， they also have helped liberate city women from heavy housework chores by taking care of the babies， cleaning houses or providing any other services citizens need。
Although some of the citizens complain about the increasing number of the problems such as theft， robbery a few of migrant workers have committed， most of the citizens agree that their contribution is obvious， and with better management， their role in the construction of cities will definitely be greater。
发布者：ws2012
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