表示举例：(exemplification): for example, for instance, as an example, as a case, in point, as an illustration, such as, namely, that is, like, say
　　
　　表示比较：(comparison): similarly, likewise, in the same way, equally important, like, both, the same as, in common
　　
　　表示对照：(contrast): on the contrary, on the other hand, otherwise, unlike, in contrast, whereas, rather than, conversely, instead, by contrast
　　
　　表示让步：(concession): although, nevertheless, however, but, yet, admittedly, it is true …… but, in spite of, even though, granted that
　　
　　表示原因：(cause): because, because of, as, since, for, owing to, due to, on acof, on the ground of, as a result of
　　
　　表示结果：(result): thus, so, consequently, hence, therefore, accordingly, as a result, for this reason, as a consequence, on that account, it follows that　　表示强调：(emphasis): chiefly, especially, indeed, in fact, certainly, particularly, to be sure, actually, above all, surely, most important of all, even worse, no doubt, needless to say
　　
　　表示列举：(enumeration): first, second, in the first place, first of all, to begin with, in the second place, next, also, besides, furthermore, moreover, in addition, what is more, beyond that, for one thing, for another, finally
　　
　　表示总结：(summary):in conclusion, in short, in brief, in summary, on the whole, finally, to sum up, to conclude
　　
　　表示开场：(introduction): generally speaking, comparatively speaking, in general, in a sense, in a way, in my opinion, in some cases, nowadays, recently, currently, obviously, clearly, undoubtedly