因为：In that, on the grounds of that, since, as, hence ,therefore, thus, for
转折：Still, yet, nevertheless, much as
Owing to, due to, for the sake of, on the grounds of,
Root and branch
For all, in spite of, despite, regardless of, irrespective of,
First things first, to begin with, in the first place
What’s more, additionally, in the second place
Consequently, as a consequence, by and large
Personally, I do deem,  I firmly believe, so far as I am concerned, I am deeply convinced
Invariably, frequently,
Easily =readily, utterly=thoroughly =completely,
In the light of , in terms of , in line with, in accordance with, in agreement with,
Can not but do sth=have (got ) to ,
Go to great lengths to do sth=do one’s utmost to do=make painstaking efforts to do=make concerted efforts to do
Concerning ,regarding
A great number of, a majority of, numerous,a magnitude of
Perspective, stance, viewpoint
Be tempted to do sth=be willing to
Indisputably, definitely, surely, extremely, tremendously, considerably, extraordinary
Place high priority on sth= attach great（considerable）importance to sth
=it is of significance=it is of paramount importance
Untold ups and downs , obstacles, barriers,
Overcome=surmount
The following analysis will be fully demonstrated\illustrate my perspective at length.
总结：1.by and large, from what has been discussed above, it may safely and naturally come to a conclusion
2.consequently, from the above forceful elaboration on __, we are able to arrive at a conclusion that we are supposed to do (should, ought to)
3.it is highly hoped (it is confidently expected) that we are supposed to join our hands in the efforts to take a series of feasible and effective measures to do sth
Rewarding, conductive, the outlook on sth

学习了      楼主辛苦了                                                                                    

感谢分享，学习了。

楼主辛苦了  ，谢谢！

楼主辛苦了  ，谢谢！

哈哈，，大学里写作文的时候经常用到一些，不过工作这么久了自己用的就少了~

可以在课上用到了 收藏了 谢谢

学习了,谢谢..........

好多啊，英语中的关联词也不少！

学习了 谢谢分享 仔细看看去