![Sometimes,thesimplestideasarethebest．Forexample,toabsor...]( "Sometimes,thesimplestideasarethebest．Forexample,toabsor...")
- 问题详情：Sometimes,thesimplestideasarethebest．Forexample,toabsorbheatfromthesuntoheatwater,youneedlarge,flat,blacksurfaces．Onewaytodothatistobuildthosesurfacesspecially,ontheroofsofbuildings．Butwhygotoallthattroublewhencitiesarefullof blacksurface...
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