![Urbanization城市化]( "Urbanization城市化")
- Presently,thereisatendencythatagrowingnumberofpeoplearemovingfromcountrysideintocityannually.Acenturyago,lessthanfivepercentofallpeoplelivedincities.Bythemiddleofthiscenturyitcouldbeseventypercent,oralmostsixandahalfbillionpeople.Urbanizationcanleadt...
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