二、选择(or)类
A, 推断(inferring)
In other words in that case then (or) else otherwise
B, 替换(giving alternatives)
Alternatively then again
C, 重复(restating)
In other words that is to say to put it simply
三、转折(but)类
A, 比较/对比(contrasting)
Conversely in comparison in contrast to this Instead nevertheless however on the contrary On the other hand … whereas…
B, 让步(conceding)
Afeter all all the same even if … while Although/though/even though however still In spite of / despite this/ that nevertheless nonetheless yet