原因forthisreason,dueto,thanksto,because,becauseof,as,since,owingto.

结果asaresult,thus,hence,so,therefore,accordingly,consequently,asaconsequence

总结onthewhole,inconclusion,inaword,tosumup,inbrief,insummary,toconclude,tosummarize,inshort.

其他mostly,occasionally,currently,naturally,mainly,exactly,evidently,frankly,commonly,forthispurpose,toalargeextent,formostofus,inmanycases,inthiscase

提出建议万能句

Itishightimethatweputanendtothe(trend).该是我们停止这一趋势的时候了。

Itistimetotaketheadviceof…andtoputspecialemphasisontheimprovementof…

该是采纳……的建议，并对……的进展给予特殊重视的时候了。

Thereisnodoubtthatenoughconcernmustbepaidtotheproblemof…毫无疑问，对……问题应予以足够的重视。

Obviously,…Ifwewanttodosomething…,itisessentialthat…显然，如果我们想做某事，很重要的是…

Onlyinthiswaycanwe…只有这样，我们才能……

Itmustberealizedthat…我们必须意识到……

预示后果万能句

Obviously,ifwedon’tcontroltheproblem,thechancesarethat…willleadusindanger.

很明显，如果我们不能控制这一问题,很有可能我们会陷入危险。

Nodoubt,unlesswetakeeffectivemeasures,itisverylikelythat…毫无疑问，除非我们采取有效措施，很可能会……