IN　ADDITION　，AND，SIMILARLY，LIKEW?ISE，AS　WELL　AS，BESIDES，FURTHERMORE，ALSO，MOREOVER，TOO　，NOT　ONLY　...　BUT，EVEN，BESIDES　THIS／THAT　

二.　SEQUENCE　顺序

    FIRST　，INITIALLY，SECOND　ETC.，TO　BE?GIN　WITH，THEN，NEXT，EARLIER／LATER，　　FOLLOWING　THIS／THAT，AFTERWARDS　

三.　CONSEQUENCE　结果

    AS　A　RESULT　，THUS，SO，THEREFORE，CONSEQUENTLY，IT　FOLLOWS　THAT，THEREBY，EVENTUALLY，TN　THAT　CASE，ADMITTEDLY　

四.　CONTRAST  对比　

    HOWEVER　，ON　THE　OTHER　HAND，DESPITE，IN　SPITE　OF，THOUGH，ALTHOUGH，BUT，ON　THE　CONTRARY　OTHERWISE　，YET，INSTEAD　OF，RATHER，WHEREAS，　NONETHELESS　COMPARED　WITH，IN　CONTRAST

五.　CERTAINTY　确定

     OBVIOUSLY　，CERTAINLY，PLAINLY，OF　COURSE，UNDOUBTEDLY　

六.　CONDITION　条件

     IF　，UNLESS，WHETHER，PROVIDED　THAT，FOR，SO　THAT，WHETHER，DEPENDING　ON　

七.　TIME　时间

    BEFORE　，SINCE，AS，UNTIL，MEANWHILE，AT　THE　MOMENT，WHEN，WHENEVER，AS　SOON　AS，JUST　AS

八.　SUMMARY　总结

    IN　CONCLUSION　，IN　SUMMARY，LASTLY，FINALLY，TO　SUM　UP，TO　CONCLUDE，TO　RE?CAPITULATE　，IN　SHORT　

九.　EXAMPLE  举例

    FOR　EXAMPLE，FOR　INSTANCE，JUST　AS，IN　PARTICULAR，SUCH　AS，NAMELY

十.  REASON  原因

    SINCE，AS　，SO，　BECAUSE　(OF)，DUE　TO，OWING　TO，THE　REASON　WHY，IN　OTHER　WORDS，　LEADS　TO，CAUSE