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关于汽车尾气污染的英语作文
关于汽车尾气污染的英语作文
ourlives.Chinese,forexample,havetocutdownonthenumberoftheirtotalcars.Theyareencouragedtousebicycles,whicharethoughttohelpkeeptheairclean.
Butthischangedoesnotcomeeasily.Alargenumberofworkersmayfindthemselveswithoutjobsifacarfactoryciosesdown.Thustheproblemofairpollutionwouldbecomelessimportantthanthatofunemployment.Althoughcarshaveledustoabetterlife,theyhavealsobroughtusnewproblems.
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