轉(zhuǎn)折類信號(hào)詞：

but,?however,?nevertheless,?while, yet, unless, except for, actually,?in fact, to tell you the truth,?practically,?virtually,?as a matter of fact ...

對(duì)比類信號(hào)詞：

• We should not confuse A and B；

• A is different from B

• First, let’s make a clear distinction between A and B

• compare to,?contrast, unlike,?similar to,?in contrast to,?...differently,?...differ,?alike,?resemble,?on the other hand,?instead,?likewise,?in the same way