自由行self-guided tour;

　　病毒营销viral marketing;

　　标题党sensational headline writers;

　　菜鸟rookie/novice;

　　粗口four-letter word;

　　地沟油swill oil;

　　封口费hush money;

　　街拍street snapshot;

　　眼缘first-sight attraction;

　　拼车一族carpoolers