插入语
1.what’s more 更主要是；更何况；而且 2. besides更何况 3. what’s worse, to make the matter worse, worse still 更糟糕是 4. that is（to say）也就是说，即 5. or rather 更确切地说 6. in other words 换言之 7. believe it or not 信不信由你 8. generally speaking, generally, in general 普通说来
9. altogether 总之 10. in a word 总之 11. similarly 一样 12. worst of all 最糟糕是 13. in fact, actually, in reality, as a matter of fact 实际上 14. in turn 反过来 15. in return 做为报答 16. above all 尤其主要是，最为主要是