1. 因果關係
as a result, for, thus, because, for this reason, so, therefore, as, since, consequently, on account of
2. 歸納關係
as a result, finally, therefore, accordingly, in short, thus, consequently, in conclusion, so, in brief, in a word
3. 順序關係
first, second, third, and so on, then, after, before, next
4. 並列關係
and, furthermore, more than that, also, likewise, moreover, in addition, what is more, for instance, for example
5. 轉折關係
although, however, on the contrary, but, in spite of, nevertheless, yet, otherwise, despite
6.幾個用得比較多的句子：
As far as I am concerned, the advantages of … outweigh its disadvantages.
Nevertheless, the disadvantages of … is undeniable.
To sum up/ In general/ On the whole/ In brief/ In short/ In a word, it is true that … bring about both positive and negative results. But we can try our best to reduce the negative influence to the least extent.
Obviously, in every aspect, …
This diagram unfolds a clear comparison between…and…
As to the other three, though the growth rates were not so high, they were indeed remarkable and impressive.
