7、oubtthatenoughconcernmustbepaidtotheproblemof……(毫无疑问,对……问题应予以足够重视)-3:Obviously,ifwewanttodosomething…itisessentialthat……(显然,如果我们想要做么事,很重要的是……)-4:Onlyinthiswaycanwe……(只有这样,我们才能……)-5:Spare no effort to + V (不遗余力的)-五、预示后果-1:Obviously,ifwedon'tcontroltheproblem,thechancesarethat……willl