#听力学习：听力需注意的14类关键词 搜索结果
原则一：段首段尾句开门见山;首段转折原则二：总结性信息tosumup,inbrief,inparticular,inshortallinall,generallyspeaking,conclude,conclusion,inaword,so,youseeinfact,wecansay,ok,anyway,inthee
