论证
From my point of view， it is more reasonable to support the first opinion rather than the second. 在我看来，支持第一种观点比支持第二种观点更有道理。
I cannot entirely agree with the idea that… 我无法完全同意这一观点…。
Personally， I am standing on the side of …就个人而言， 我站在…的一边。
I sincerely believe that… 我真诚地相信…
In my opinion， it is more advisable to do … than to do…。
在我个人看来，做…比做…更明智。
Finally， to speak frankly， there is also a more practical reason why…
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…
过渡词
强调
still， Indeed， apparently， oddly enough， of course， after all， significantly， interestingly， also， above all， surely， certainly， undoubtedly， in any case， anyway， above all， in fact， especially， obviously， clearly.
比较
like， similarly， likewise， in the same way， in the same manner， equally.
对比
by contrast， on the contrary， while， whereas， on the other hand， unlike， instead， but， conversely， different from， however， nevertheless， otherwise， whereas， unlike， yet， in contrast.
列举
for example， for instance， such as， take …for example. Except （for）， to illustrate.
时间
later， next， then， finally， at last， eventually， meanwhile， from now on， at the same time， for the time being， in the end， immediately， in the meantime， in the meanwhile， recently， soon， now and then， during，nowadays， since， lately， as soon as， afterwards，
temporarily， earlier， now， after a while.
顺序
first， second， third， then， finally， to begin with， first of all， in the first place， last， next， above all， last but not the least， first and most important.
可能
presumably， probably， perhaps.
解释
in other words， in fact， as a matter of fact， that is， namely， in simpler terms.
递进
What is more， in addition， and， besides， also， furthermore， too， moreover， furthermore， as well as， additionally， again.
让步
although， after all， in spite of…， despite， even if， even though， though， admittedly， whatever may happen.
转折
however， rather than， instead of， but， yet， on theother hand， unfortunately.
原因
for this reason， due to， thanks to， because， because of， as， since， owing to.
结果
as a result， thus， hence， so， therefore， accordingly， consequently， as consequence.
总结
on the whole， in conclusion， in a word， to sum up， in brief， in summary， to conclude， to summarize， in short.
其他
Mostly， occasionally， currently， naturally， mainly， exactly， evidently， frankly， commonly， for this purpose， to a large extent， for most of us， in many cases， in this case