5.常用于比较和对比的过渡词
(1)unlike...与...不同
例：Unlike oral English, written English is comparatively formal."与口头英语不同，笔头英语比较正规。"
(2)In contrast...与之相比
例：In contrast with Tom, Mario seldom studies harder."与汤姆比，玛里奥很少努力学习。"
(3)On the other hand...另一方面
例：The life expectancy in developing countries has increased during the past thirty years. On the other hand, the infant mortality has decreased from twenty percent to ten percent in the same period."发展中国家的期望寿命在过去的30年间都增长了。另一方面婴儿死亡率同期由20%下降到10%。"
(4)Likewise同样
例：Plenty of food must be packed for the journey；likewise, warm clothes will also be needed."要带上旅行中吃的食品，同样也需要带上御寒保暖的衣服。"
(5)similarly同样
例：If only one can make his audience understood, it seems insignificant if one makes some mistakes in his oral English; similarly, as to the audience, they are only interested in grasping the meaning, not actually mind or even hardly notice the speakers mistakes."只要能使听众听明白，在口头英语中出一些错误是无关紧要的，同样作为听众也只对讲话者的意思感兴趣，根本不介意或几乎注意不到讲话者所犯的口语错误。"