previously on 前情提要.previously on lost与前面演过的剧情（已经不在的）衔接；书接上回；前情续演。例如：The game is divided into "episodes, " each of which are sewn together by "previously on Lost" vignettes that give the game more of an interactive television-show feel.游戏分成“集”，每集都与先前播出的电视剧紧密地联系在一起，由此与电视剧更好地进行互动。祝你开心如意！O(∩_∩)O~~...
