表示“转折/对比”
☆ 虽然：although, though
☆ 但是：but
☆ 然而：however, nevertheless, while
☆ 毕竟：after all
☆ 事实上：in fact
表示“因果”
☆ 因为：because (of), due to, as a result of, for this reason
☆ 所以：consequently, therefore, hence, so, thus, as a result
表示“对比”
☆ 和……相比：in contrast with, compare ... with/to ..., whereas
☆ 相比之下：by contrast, on the contrary
☆ 代替/而不是：rather than, instead of
☆ 类似地：likewise, similarly
