inrecentyears,moreandmoremigrantworkershavemovedintobigcitiesandtheyhavebeenma-ki-nggreatcontributionstothedevelopmentofcities.newbuildingsneedthem,roadscan'tberepairedwithoutthem,andtheplantingandprotectingoftreesandflowersdependonthem.indeed,theyplayanimportantroleintheconstructionofcitiesinchinatoday.

however,theyhavebroughtaboutsomeproblems.thebiggestoneistheincreaseofthecitypopulation.theoncecrowdedcitieshavenowbeemorecrowded.andtheirarrivalmaycauseaseriouscrisisinhousing,waterandotherresources.inaddition,theyhavetakensomanyjobsthatthelabormarketincitieshasbeeevenweaker.what'smore,someofthefarmlandisleftuncultivatedasaresultofthefarmers'emigration.

inmyopinion,migrantworkers'contributionsoutweightheinconveniencestheybringus.onthewhole,theyhavebeeanimportantpartofoursocialistbuilders.nevertheless,thegovernmentshouldworkoutnewpoliciestocontroltheemigrationoffarmersontheonehandandtoprotectmigrantworkers'rightsandinterestsontheotherhand.