提出建议

　　it is high time that we put an end to the (trend).该是我们停止这一趋势的时候了.

　　it is time to take the advice of … and to put special emphasis on the improvement of …

　　该是采纳……的建议,并对……的进展给予特殊重视的时候了。

　　there is no doubt that enough concern must be paid to the problem of …

　　毫无疑问,对……问题应予以足够的重视.

　　obviously, … if we want to do something … , it is essential that …

　　显然,如果我们想做某事,很重要的是…

　　only in this way can we … 只有这样,我们才能……

　　it must be realized that …我们必须意识到……

　　预示后果

　　obviously, if we don't control the problem, the chances are that … will lead us in danger.

　　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.

　　no doubt, unless we take effective measures, it is very likely that …

　　毫无疑问,除非我们采取有效措施,很可能会……

　　it is urgent that immediate measures should be taken to stop the situation.

　　很紧迫的是,应立即采取措施阻止这一事态的发展.

　　给出原因

　　this phenomenon exists for a number of reasons. first, … second, … third, …

　　这一现象的存在是有许多原因的.首先,……;第二,,……;第三,……

　　why did …  for one thing …,for another …. perhaps the primary reason is…

　　为什么会…… 一个原因是……,令一个原因是……;或许其主要原因是……

　　i quite agree with the statement that … the reasons are chiefly as follows.

　　我十分赞同这一论述,即……,其主要原因如下:

　　列出解决办法:

　　here are some suggestions for handling … 这是如何处理某事的一些建议.

　　the best way to solve the troubles is … 解决这些麻烦的最好办法是……

　　people have figured out many ways to solve this problem. 人们已找出许多办法来解决这个问题.

　　批判错误观点和做法:

　　as far as something is concerned, … 就某事而言,……

　　it was obvious that …很显然,….

　　it may be true that …, but it doesn't mean that …

　　可能……是对的,但这并不意味着……

　　it is natural to believe that …, but we shouldn't ignore that …

　　认为……是很自然的,但我们不应忽视……

　　there is no evidence to suggest that … 没有证据表明……