Inmostsituations,lighthelpsussee．Butnowadayshumansareus...
问题详情：Inmostsituations,lighthelpsussee．Butnowadayshumansareusingtoomuchofitsothatitisinfactakindofpollution．Whenitcomestolookingatthenightsky,toomuchlightmakesitdifficultforustowatchsomeoflife’smostw...