inrecentyears,moreandmoremigrantworkershavemovedintobigcitiesandtheyhavebeenmakinggreatcontributionstothedevelopmentofcities.newbuildingsneedthem,roadscan'tberepairedwithoutthem,andtheplantingandprotectingoftreesandflowersdependonthem.indeed,theyplayanimportantroleintheconstructionofcitiesinchinatoday.
however,theyhavebroughtaboutsomeproblems.thebiggestoneistheincreaseofthecitypopulation.theoncecrowdedcitieshavenowbecomemorecrowded.andtheirarrivalmaycauseaseriouscrisisinhousing,waterandotherresources.inaddition,theyhavetakensomanyjobsthatthelabormarketincitieshasbecomeevenweaker.what'smore,someofthefarmlandisleftuncultivatedasaresultofthefarmers'emigration.
inmyopinion,migrantworkers'contributionsoutweightheinconveniencestheybringus.onthewhole,theyhavebecomeanimportantpartofoursocialistbuilders.nevertheless,thegovernmentshouldworkoutnewpoliciestocontroltheemigrationoffarmersontheonehandandtoprotectmigrantworkers'rightsandinterestsontheotherhand.