![Citiesdonotappearontheearthrandomly,nordotheygrowinaran...]( "Citiesdonotappearontheearthrandomly,nordotheygrowinaran...")
- 问题详情：Citiesdonotappearontheearthrandomly,nordotheygrowinarandomfashion.Theydevelopastheresultofacomplexinterplayofenvironmentalandsocialfactors.Severalfactorsinthenaturalenvironmentdeterminethelocationofcities.Largecities,forexample,aregenerallyno...
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