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 account of, 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
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