2)并列、递进 and, indeed,almost, even, similarly, like, besides, further, moreover, most important, in addition, furthermore, too, also, and then, again;
3)条件、让步if, only if, in spite of, despite, though, although, even so, even though, rather, after all, regardless;
4)原因、结果 because, since, as, for, due to, so, therefore, thus, hence, in that, accordingly, consequently, as a result, as a consequence, so that, to this end;
5)比较、对比likewise, at the same time, in the same way, in comparison, in contrast, like, as, just as, conversely, on the contrary ;
6)列举、举例first, second, etc. in the first place, in the second place, next, another, finally, still, namely, that is, for instance, for example, as an example, specifically, in particular;