【篇首句】说明写信目的。

1. I'm sorry to hear that you are having trouble fitting in your new school. Such problems are quite normal. Perhaps the following suggestions are helpful.

很遗憾听说你在适应新学校方面有困难。这样的问题是很正常的。可能下面的建议会有一些帮助。

2. I have received your letter saying you plan to play a visit to China for ten days next month. Perhaps the following suggestions are helpful to you.

我已经收到了你的来信。信上说你打算下个月来参观中国十天。可能下面的建议对你是有帮助的。

3. I'm writing to you to present what I think on the further improvement of our hotel so as to attract more clients（顾客）.

我给你写信是想说明一下我对于进一步改善我们旅馆的一些想法，以吸引更多顾客。

4. You have asked me for my advice with regard to how to learn Chinese , and I will try to make some suggestions here.

你关于如何学习汉语询问我的建议，那么我就在这里给出一些建议。

(一)原因类

(1)Why does ... become so rampant(猖獗的)? First and foremost/In the first place/Firstly, .... Secondly, .... Last but not least, .... As a consequence/Consequently, ....

(2)Three reasons, in my mind, account for this social phenomenon. First and foremost/To begin with, .... Moreover, .... In addition/Besides, .... As a result, ....

(3)What are the incentives(动机，诱因) that drive people to ...? The most important factors should be .... Furthermore, .... What’s more...

(二)影响类

好处或意义角度：

(1)... is beneficial to/is meaningful/is conducive to ... in several ways/for several reasons.

(2)There are several advantages in/of … The first / biggest advantage is that… Besides, ...

(3)Nothing / Few things can equal / match with / be compared with…in terms of…

(4)… has a positive impact / influence / effect on people’s lives.

(5)… is playing an increasingly important role in people’s lives.