One, when those teachers are doing that, there's the obvious benefit -- the benefit that now their students can enjoy the videos in the way that my cousins did, they can pause, repeat at their own pace, at their own time.
第一，当那些老师们这样做的时候， 很明显，是有益的， 益处是现在他们的学生 可以像我表弟那样来享受那些视频。 他们可以按照自己的节奏，暂停，复读 在他们自己的时间内做这些事情。