Whythinkofroadsafety?Itisbecauseoftheaccidentsthathappe...
问题详情：Whythinkofroadsafety?Itisbecauseoftheaccidentsthathappeneverydayontheroad.Theseaccidentsmeanlosinglifeorwealthandmorethantrafficjams.Soifpeoplearen'teducatedontheimportanceofroadsafety，thesitu...