.增补(Addition)in addition另外, furthermor e此外, again, also, besides, moreover此外 , similarly, finally最后2.比较(Comparison)in the same way, likewise同样地, similarly, equally, in comparison比较起来, just as同样地3.对照(Contrast)whereas然而, in contrast与此相反, on the other hand, instead同样, however然而, nevertheless然而, unlike, even though即使, on the contrary, while